add webapp, move frontend to webapp folder

webapp/package.json

@@ -0,0 +1,19 @@
+{
+  "name": "webapp",
+  "version": "1.0.0",
+  "description": "",
+  "main": "index.js",
+  "author": "",
+  "license": "ISC",
+  "dependencies": {
+    "@prisma/client": "^5.11.0",
+    "command-line-args": "^5.2.1",
+    "command-line-usage": "^7.0.1",
+    "compression": "^1.7.4",
+    "express": "^4.18.3",
+    "protobufjs": "^7.5.0"
+  },
+  "devDependencies": {
+    "prisma": "^5.10.2"
+  }
+}