feat: initial hello-world app with CI/CD pipeline

package.json

@@ -0,0 +1,14 @@
+{
+  "name": "hello-world",
+  "version": "1.0.0",
+  "description": "Test app for Gitea CI/CD pipeline",
+  "main": "index.js",
+  "scripts": {
+    "start": "node index.js",
+    "test": "node -e \"console.log('TESTS PASSED'); process.exit(0)\"",
+    "lint": "node -e \"console.log('LINT OK'); process.exit(0)\""
+  },
+  "dependencies": {
+    "express": "^4.21.0"
+  }
+}