chore: update version to 1.0.0-beta-4 in README, package.json, and package-lock.json

Author: IanSkelskey

README.md

@@ -5,7 +5,7 @@
 <h1 align="center">Collab Code — Collaborative Java IDE</h1>
 
 <p align="center">
-  <img src="https://img.shields.io/badge/version-1.0.0--beta--3-blue?style=flat&labelColor=555" alt="Version 1.0.0-beta" />
+  <img src="https://img.shields.io/badge/version-1.0.0--beta--4-blue?style=flat&labelColor=555" alt="Version 1.0.0-beta" />
 </p>
 
 <p align="center">

package-lock.json

@@ -1,7 +1,7 @@
 {
   "name": "collab-code",
   "private": true,
-  "version": "1.0.0-beta-3",
+  "version": "1.0.0-beta-4",
   "type": "module",
   "scripts": {
     "dev": "vite",