[rewrite] Added missing lib file, updated debug launch.json for frontend and updated .gitignore

.gitignore

@@ -292,3 +292,4 @@ cython_debug/
 #  option (not recommended) you can uncomment the following to ignore the entire idea folder.
 #.idea/
 
+!frontend/src/lib

.vscode/launch.json

@@ -10,7 +10,7 @@
 			"request": "launch",
 			"program": "${workspaceFolder}/main.py",
 			"args": [],
-			"cwd": "${workspaceFolder}",
+			"cwd": "${workspaceFolder}/backend",
 			"env": {
 				"FLASK_APP": "main.py",
 				"FLASK_ENV": "development"
@@ -18,6 +18,20 @@
 			"console": "internalConsole",
 			"autoReload": {"enable": true},
 			"justMyCode": true
+		},
+		{
+			"name": "Frontend",
+			"type": "node",
+			"request": "launch",
+			"cwd": "${workspaceFolder}/frontend",
+			"runtimeArgs": [
+				"run",
+				"dev"
+			],
+			"runtimeExecutable": "npm",
+			"skipFiles": [
+				"<node_internals>/**"
+			],
 		}
 	]
 }

frontend/src/lib/utils.ts

@@ -0,0 +1,6 @@
+import { type ClassValue, clsx } from 'clsx'
+import { twMerge } from 'tailwind-merge'
+
+export function cn(...inputs: ClassValue[]) {
+  return twMerge(clsx(inputs))
+}