Merge pull request #330 from kataras/patch-1

Windows quickstart tutorial on CONTRIBUTING.md

CONTRIBUTING.md

@@ -10,6 +10,35 @@ bundle install
 env PORT=4001 yarn run dev
 ```
 
+### Windows
+
+1. Install **Ruby**: https://rubyinstaller.org/
+	* After the installation check the box and type `3` to select the 3rd option
+	* Add `C:\msys64\usr\bin` to PATH env variable 
+	* Add `C:\Ruby24-x64\bin` to PATH env variable
+2. Install **yarn**: https://yarnpkg.com/en/docs/install#windows
+3. Install **jekyll** via command prompt: `gem install jekyll bundler`
+4. Install **nodejs && npm**: https://nodejs.org/en/download/
+4. Install **webpack** via command prompt: `npm install -g webpack`
+5. If you have any issues after installing ruby, like `HOMEPATH` is not defined, then execute the below commands:
+```bash
+SETX HOMEDRIVE %SYSTEMDRIVE% -m
+SETX HOMEPATH \Users\%username% -m
+SET HOME=%SYSTEMDRIVE%\Users\%USERNAME%
+SETX HOME "%HOME%"
+```
+
+#### Start Jekyll and Webpack
+
+Go wherever the project's files are located and open a new command prompt, execute the below commands:
+
+```bash
+yarn install
+bundle install
+SET PORT=4001
+yarn run dev
+```
+
 ## CSS classes
 
 See <https://devhints.io/cheatsheet-styles> for a reference on styling.