chore: add husky pre-commit hook and lint-staged configuration

- Created a pre-commit hook in .husky to run lint-staged.
- Added .lintstagedrc.mjs to format frontend files with Prettier and apply Spotless to backend Java files.
- Introduced .prettierignore to exclude specific directories from formatting.

.vscode/launch.json

@@ -31,14 +31,11 @@
 	"compounds": [
 		{
 			"name": "Debug whole app",
-			"configurations": [
-				"Backend: Spring Boot",
-				"Frontend: Angular"
-			],
+			"configurations": ["Backend: Spring Boot", "Frontend: Angular"],
 			"stopAll": true,
 			"presentation": {
 				"order": 1
 			}
 		}
 	]
-}
+}

.vscode/settings.json

@@ -3,4 +3,4 @@
 	"java.configuration.updateBuildConfiguration": "automatic",
 	"java.autobuild.enabled": false,
 	"java.server.launchMode": "LightWeight"
-}
+}

.vscode/tasks.json

@@ -44,4 +44,4 @@
 			}
 		}
 	]
-}
+}