[README] Added sections Installation and Building

README.md

@@ -1 +1,17 @@
-# caa-game
+# caa-game
+Welcome to the official repository of caa-game. Here one can track the progress of this wonderful game, and find the installation instructions.
+
+### 🏗️ Installation
+To install, clone this repo, and run npm install.
+```bash
+git clone https://gitea.arnweb.nl/Hecc-inc./caa-game.git && cd caa-game
+npm install
+```
+
+If you want to run this game, enter `npm start` in your terminal.
+
+### 🛠️ Building
+To build this game into a distributable format,
+ - run `npm run build:win` on windows.
+ - run `npm run build:mac` on macOS.
+ - run `npm run build:linux` on linux.