Add web front-end and fix API issues

web/package.json

@@ -0,0 +1,11 @@
+{
+    "name": "book-test web",
+    "version": "1.0.0",
+    "private": true,
+    "scripts": {
+        "start": "tsx src/index.ts"
+    },
+    "dependencies": {
+        "express": "^5.2.1"
+    }
+}