add libraries to the docs (will probably re-design later)

documentation/libraries/javascript.md

@@ -0,0 +1,28 @@
+---
+title: Javascript Library
+description: The Javascript library for Minecraft Utilities is a simple way to interact with the plugin from using Javascript!
+---
+
+# Javascript Library
+
+This is the Javascript library for Minecraft Utilities.
+
+## Installation
+
+To use the Javascript library, you can run the following command:
+
+```bash
+npm install mcutils-library
+```
+
+## Usage
+
+This is a simple example of how to use the Javascript library to get a player's information.
+
+```javascript
+import { getPlayer, CachedPlayer } from "mcutils-library";
+
+const cachedPlayer = await getPlayer(playerId);
+
+console.log(player);
+```