add detailed instructions to the hello-there subject

subjects/hello-there/README.md

@@ -2,7 +2,58 @@
 
 ### Instructions
 
-Once you have installed the nesscesary tools,
+#### Install `Scoop` *(windows)* or `Brew` *(mac)*
+
+Follow the instructions here:
+- **scoop**: https://scoop.sh/ (windows)
+- **brew**: https://brew.sh/ (mac)
+
+> Linux people, you should know how to handle this
+
+
+#### Install `git`, `vscode` and `nodejs`
+
+```bash
+# windows
+scoop install git
+git --version
+scoop install nodejs
+node --version
+scoop bucket add extras
+scoop install vscode
+code --version
+
+# mac
+# git should already be installed
+git --version
+brew install node
+node --version
+brew install --cask visual-studio-code
+code --version
+```
+
+#### Configure git and vscode
+
+```bash
+# Set your username and email
+# (the double quotes "" are important)
+git config --global user.name "Your name here"
+git config --global user.email "your_email@example.com"
+
+# Tell git to use vscode
+git config --global core.editor code
+
+# Add colors to the info, not important but fancy
+git config --global color.ui true
+```
+
+> If you are adventurous, you can also setup your SSH key
+> this will allow you to avoid typing your password everytime.
+
+
+#### Write the code !
+
+Once you have installed and configured the necessary tools,
 create a `git` repository with a `hello.js` JS file
 that display the text `Hello There` in the terminal.