Add web front-end and fix API issues

package.json

@@ -6,9 +6,16 @@
         "web"
     ],
     "scripts": {
-        "test:api": "npm run test --workspace=api"
+        "dev": "concurrently -n \"API,WEB\" -c \"cyan,green\" \"npm run start --workspace=api\" \"npm run start --workspace=web\"",
+        "start:api": "npm run start --workspace=api",
+        "start:web": "npm run start --workspace=web",
+        "test:api": "npm run test --workspace=api",
+        "test:web": "npm run test --workspace=web"
     },
     "allowScripts": {
         "esbuild@0.28.2": true
+    },
+    "devDependencies": {
+        "concurrently": "^10.0.5"
     }
 }