diff --git a/markdown-editor/yarn.lock b/markdown-editor/yarn.lock
index 1d96f8b..03fba4c 100644
--- a/markdown-editor/yarn.lock
+++ b/markdown-editor/yarn.lock
@@ -147,6 +147,12 @@ are-we-there-yet@~1.1.2:
     delegates "^1.0.0"
     readable-stream "^2.0.6"
 
+argparse@^1.0.10:
+  version "1.0.10"
+  resolved "https://registry.yarnpkg.com/argparse/-/argparse-1.0.10.tgz#bcd6791ea5ae09725e17e5ad988134cd40b3d911"
+  dependencies:
+    sprintf-js "~1.0.2"
+
 argparse@^1.0.7:
   version "1.0.9"
   resolved "https://registry.yarnpkg.com/argparse/-/argparse-1.0.9.tgz#73d83bc263f86e97f8cc4f6bae1b0e90a7d22c86"
@@ -274,6 +280,12 @@ asynckit@^0.4.0:
   version "0.4.0"
   resolved "https://registry.yarnpkg.com/asynckit/-/asynckit-0.4.0.tgz#c79ed97f7f34cb8f2ba1bc9790bcc366474b4b79"
 
+autolinker@~0.28.0:
+  version "0.28.1"
+  resolved "https://registry.yarnpkg.com/autolinker/-/autolinker-0.28.1.tgz#0652b491881879f0775dace0cdca3233942a4e47"
+  dependencies:
+    gulp-header "^1.7.1"
+
 autoprefixer@7.1.6:
   version "7.1.6"
   resolved "https://registry.yarnpkg.com/autoprefixer/-/autoprefixer-7.1.6.tgz#fb933039f74af74a83e71225ce78d9fd58ba84d7"
@@ -1457,6 +1469,12 @@ concat-stream@^1.6.0:
     readable-stream "^2.2.2"
     typedarray "^0.0.6"
 
+concat-with-sourcemaps@*:
+  version "1.1.0"
+  resolved "https://registry.yarnpkg.com/concat-with-sourcemaps/-/concat-with-sourcemaps-1.1.0.tgz#d4ea93f05ae25790951b99e7b3b09e3908a4082e"
+  dependencies:
+    source-map "^0.6.1"
+
 configstore@^2.0.0:
   version "2.1.0"
   resolved "https://registry.yarnpkg.com/configstore/-/configstore-2.1.0.tgz#737a3a7036e9886102aa6099e47bb33ab1aba1a1"
@@ -1574,14 +1592,6 @@ create-hmac@^1.1.0, create-hmac@^1.1.2, create-hmac@^1.1.4:
     safe-buffer "^5.0.1"
     sha.js "^2.4.8"
 
-create-react-class@^15.6.0:
-  version "15.6.2"
-  resolved "https://registry.yarnpkg.com/create-react-class/-/create-react-class-15.6.2.tgz#cf1ed15f12aad7f14ef5f2dfe05e6c42f91ef02a"
-  dependencies:
-    fbjs "^0.8.9"
-    loose-envify "^1.3.1"
-    object-assign "^4.1.1"
-
 cross-spawn@5.1.0, cross-spawn@^5.0.1, cross-spawn@^5.1.0:
   version "5.1.0"
   resolved "https://registry.yarnpkg.com/cross-spawn/-/cross-spawn-5.1.0.tgz#e8bd0efee58fcff6f8f94510a0a554bbfa235449"
@@ -2484,7 +2494,7 @@ fb-watchman@^2.0.0:
   dependencies:
     bser "^2.0.0"
 
-fbjs@^0.8.16, fbjs@^0.8.9:
+fbjs@^0.8.16:
   version "0.8.16"
   resolved "https://registry.yarnpkg.com/fbjs/-/fbjs-0.8.16.tgz#5e67432f550dc41b572bf55847b8aca64e5337db"
   dependencies:
@@ -2828,6 +2838,14 @@ growly@^1.3.0:
   version "1.3.0"
   resolved "https://registry.yarnpkg.com/growly/-/growly-1.3.0.tgz#f10748cbe76af964b7c96c93c6bcc28af120c081"
 
+gulp-header@^1.7.1:
+  version "1.8.12"
+  resolved "https://registry.yarnpkg.com/gulp-header/-/gulp-header-1.8.12.tgz#ad306be0066599127281c4f8786660e705080a84"
+  dependencies:
+    concat-with-sourcemaps "*"
+    lodash.template "^4.4.0"
+    through2 "^2.0.0"
+
 gzip-size@3.0.0:
   version "3.0.0"
   resolved "https://registry.yarnpkg.com/gzip-size/-/gzip-size-3.0.0.tgz#546188e9bdc337f673772f81660464b389dce520"
@@ -4966,6 +4984,10 @@ process-nextick-args@~1.0.6:
   version "1.0.7"
   resolved "https://registry.yarnpkg.com/process-nextick-args/-/process-nextick-args-1.0.7.tgz#150e20b756590ad3f91093f25a4f2ad8bff30ba3"
 
+process-nextick-args@~2.0.0:
+  version "2.0.1"
+  resolved "https://registry.yarnpkg.com/process-nextick-args/-/process-nextick-args-2.0.1.tgz#7820d9b16120cc55ca9ae7792680ae7dba6d7fe2"
+
 process@^0.11.10:
   version "0.11.10"
   resolved "https://registry.yarnpkg.com/process/-/process-0.11.10.tgz#7332300e840161bda3e69a1d1d91a7d4bc16f182"
@@ -5036,8 +5058,8 @@ qs@6.5.1, qs@~6.5.1:
   resolved "https://registry.yarnpkg.com/qs/-/qs-6.5.1.tgz#349cdf6eef89ec45c12d7d5eb3fc0c870343a6d8"
 
 qs@~6.4.0:
-  version "6.4.0"
-  resolved "https://registry.yarnpkg.com/qs/-/qs-6.4.0.tgz#13e26d28ad6b0ffaa91312cd3bf708ed351e7233"
+  version "6.4.1"
+  resolved "https://registry.yarnpkg.com/qs/-/qs-6.4.1.tgz#2bad97710a5b661c366b378b1e3a44a592ff45e6"
 
 query-string@^4.1.0:
   version "4.3.4"
@@ -5189,16 +5211,6 @@ react-scripts@1.0.17:
   optionalDependencies:
     fsevents "1.1.2"
 
-react@^15.3.1:
-  version "15.6.2"
-  resolved "https://registry.yarnpkg.com/react/-/react-15.6.2.tgz#dba0434ab439cfe82f108f0f511663908179aa72"
-  dependencies:
-    create-react-class "^15.6.0"
-    fbjs "^0.8.9"
-    loose-envify "^1.1.0"
-    object-assign "^4.1.0"
-    prop-types "^15.5.10"
-
 react@^16.2.0:
   version "16.2.0"
   resolved "https://registry.yarnpkg.com/react/-/react-16.2.0.tgz#a31bd2dab89bff65d42134fa187f24d054c273ba"
@@ -5266,6 +5278,18 @@ readable-stream@^2.0.0, readable-stream@^2.0.1, readable-stream@^2.0.2, readable
     string_decoder "~1.0.3"
     util-deprecate "~1.0.1"
 
+readable-stream@~2.3.6:
+  version "2.3.7"
+  resolved "https://registry.yarnpkg.com/readable-stream/-/readable-stream-2.3.7.tgz#1eca1cf711aef814c04f62252a36a62f6cb23b57"
+  dependencies:
+    core-util-is "~1.0.0"
+    inherits "~2.0.3"
+    isarray "~1.0.0"
+    process-nextick-args "~2.0.0"
+    safe-buffer "~5.1.1"
+    string_decoder "~1.1.1"
+    util-deprecate "~1.0.1"
+
 readdirp@^2.0.0:
   version "2.1.0"
   resolved "https://registry.yarnpkg.com/readdirp/-/readdirp-2.1.0.tgz#4ed0ad060df3073300c48440373f72d1cc642d78"
@@ -5367,11 +5391,12 @@ relateurl@0.2.x:
   version "0.2.7"
   resolved "https://registry.yarnpkg.com/relateurl/-/relateurl-0.2.7.tgz#54dbf377e51440aca90a4cd274600d3ff2d888a9"
 
-remarkable-react@^1.0.1:
-  version "1.0.1"
-  resolved "https://registry.yarnpkg.com/remarkable-react/-/remarkable-react-1.0.1.tgz#c80a18ca20e168acc3410723796c7125253c6b36"
+remarkable@^1.7.1:
+  version "1.7.4"
+  resolved "https://registry.yarnpkg.com/remarkable/-/remarkable-1.7.4.tgz#19073cb960398c87a7d6546eaa5e50d2022fcd00"
   dependencies:
-    react "^15.3.1"
+    argparse "^1.0.10"
+    autolinker "~0.28.0"
 
 remove-trailing-separator@^1.0.1:
   version "1.1.0"
@@ -5883,6 +5908,12 @@ string_decoder@~0.10.x:
   version "0.10.31"
   resolved "https://registry.yarnpkg.com/string_decoder/-/string_decoder-0.10.31.tgz#62e203bc41766c6c28c9fc84301dab1c5310fa94"
 
+string_decoder@~1.1.1:
+  version "1.1.1"
+  resolved "https://registry.yarnpkg.com/string_decoder/-/string_decoder-1.1.1.tgz#9cf1611ba62685d7030ae9e4ba34149c3af03fc8"
+  dependencies:
+    safe-buffer "~5.1.0"
+
 stringstream@~0.0.4, stringstream@~0.0.5:
   version "0.0.5"
   resolved "https://registry.yarnpkg.com/stringstream/-/stringstream-0.0.5.tgz#4e484cd4de5a0bbbee18e46307710a8a81621878"
@@ -6046,6 +6077,13 @@ throat@^3.0.0:
   version "3.2.0"
   resolved "https://registry.yarnpkg.com/throat/-/throat-3.2.0.tgz#50cb0670edbc40237b9e347d7e1f88e4620af836"
 
+through2@^2.0.0:
+  version "2.0.5"
+  resolved "https://registry.yarnpkg.com/through2/-/through2-2.0.5.tgz#01c1e39eb31d07cb7d03a96a70823260b23132cd"
+  dependencies:
+    readable-stream "~2.3.6"
+    xtend "~4.0.1"
+
 through@^2.3.6:
   version "2.3.8"
   resolved "https://registry.yarnpkg.com/through/-/through-2.3.8.tgz#0dd4c9ffaabc357960b1b724115d7e0e86a2e1f5"
@@ -6555,6 +6593,10 @@ xtend@^4.0.0, xtend@^4.0.1:
   version "4.0.1"
   resolved "https://registry.yarnpkg.com/xtend/-/xtend-4.0.1.tgz#a5c6d532be656e23db820efb943a1f04998d63af"
 
+xtend@~4.0.1:
+  version "4.0.2"
+  resolved "https://registry.yarnpkg.com/xtend/-/xtend-4.0.2.tgz#bb72779f5fa465186b1f438f674fa347fdb5db54"
+
 y18n@^3.2.1:
   version "3.2.1"
   resolved "https://registry.yarnpkg.com/y18n/-/y18n-3.2.1.tgz#6d15fba884c08679c0d77e88e7759e811e07fa41"