initialize project structure with essential files and configurations from ToneGuessr

package.json

@@ -0,0 +1,23 @@
+{
+  "name": "toneguessr",
+  "version": "1.0.0-ALPHA",
+  "description": "The server of the ToneGuessr game",
+  "main": "server/index.js",
+  "repository": "https://git.gnm.dev/WebsiteProjects/ToneGuessr",
+  "author": "Mathias Wagner",
+  "license": "MIT",
+  "scripts": {
+    "webui": "cd client && yarn dev",
+    "server": "nodemon server",
+    "dev": "concurrently --kill-others \"yarn server\" \"yarn webui\""
+  },
+  "dependencies": {
+    "express": "^4.21.2",
+    "googleapis": "^146.0.0",
+    "socket.io": "^4.8.1"
+  },
+  "devDependencies": {
+    "concurrently": "^9.1.2",
+    "nodemon": "^3.1.9"
+  }
+}