Add editorconfig, disable code block style indentation rule (GoogleChrome#552)

Author: robdodson

.editorconfig

@@ -0,0 +1,19 @@
+# https://EditorConfig.org
+
+# top-most EditorConfig file
+root = true
+
+# Make sure every file:
+# - Uses utf-8
+# - Indents with spaces instead of tabs
+# - Uses two space indents
+# - Uses Unix-style newlines
+# - Has a newline at the end of every file
+# - Trims trailing whitespace
+[*]
+charset = utf-8
+indent_style = space
+indent_size = 2
+end_of_line = lf
+insert_final_newline = true
+trim_trailing_whitespace = true

.remarkrc.js

@@ -6,6 +6,7 @@ exports.plugins = [
 
   // Remark Lint Style Guide preset and overrides.
   require('remark-preset-lint-markdown-style-guide'),
+  ['lint-code-block-style', false],
   ['lint-blockquote-indentation', false],
   ['lint-emphasis-marker', false],
   ['lint-hard-break-spaces', false],