refactor: absolute imports with path alias (#2960) [skip ci]

tsconfig.json

@@ -17,7 +17,12 @@
     "experimentalDecorators": true,
     "emitDecoratorMetadata": true,
     "useUnknownInCatchVariables": false,
-    "incremental": true
+    "incremental": true,
+    "baseUrl": "src",
+    "paths": {
+      "@server/*": ["../server/*"],
+      "@app/*": ["*"]
+    }
   },
   "include": ["next-env.d.ts", "src/**/*.ts", "src/**/*.tsx"],
   "exclude": ["node_modules"]