yarn changes

[Shashank-AV]

For some reason i was not able to execute the yarn command successfully since the testcases failed to execute...

attaching them below

[email protected] postinstall H:\gatsby-starter-egghead-blog\node_modules\pngquant-bin
node lib/install.js

‼ Command failed: H:\gatsby-starter-egghead-blog\node_modules\pngquant-bin\vendor\pngquant.exe --version

‼ pngquant pre-build test failed
i compiling from source
× Error: pngquant failed to build, make sure that libpng-dev is installed
at H:\gatsby-starter-egghead-blog\node_modules\bin-build\node_modules\execa\index.js:231:11
at runMicrotasks ()
at processTicksAndRejections (internal/process/task_queues.js:93:5)
at async Promise.all (index 0)
npm WARN optional SKIPPING OPTIONAL DEPENDENCY: fsevents@~2.3.1 (node_modules\chokidar\node_modules\fsevents):
npm WARN notsup SKIPPING OPTIONAL DEPENDENCY: Unsupported platform for [email protected]: wanted {"os":"darwin","arch":"any"} (current: {"os":"win32","arch":"x64"})
npm WARN optional SKIPPING OPTIONAL DEPENDENCY: fsevents@^1.2.7 (node_modules\watchpack-chokidar2\node_modules\chokidar\node_modules\fsevents):
npm WARN notsup SKIPPING OPTIONAL DEPENDENCY: Unsupported platform for [email protected]: wanted {"os":"darwin","arch":"any"} (current: {"os":"win32","arch":"x64"})
npm WARN optional SKIPPING OPTIONAL DEPENDENCY: fsevents@^1.2.7 (node_modules\webpack-dev-server\node_modules\chokidar\node_modules\fsevents):
npm WARN notsup SKIPPING OPTIONAL DEPENDENCY: Unsupported platform for [email protected]: wanted {"os":"darwin","arch":"any"} (current: {"os":"win32","arch":"x64"})
npm WARN @turist/[email protected] requires a peer of node-fetch@2 but none is installed. You must install peer dependencies yourself.

npm ERR! code ELIFECYCLE
npm ERR! errno 1
npm ERR! [email protected] postinstall: node lib/install.js
npm ERR! Exit status 1
npm ERR!
npm ERR! Failed at the [email protected] postinstall script.
npm ERR! This is probably not a problem with npm. There is likely additional logging output above.