Refactor code structure and remove redundant changes

server/api/pageview.ts

@@ -0,0 +1,7 @@
+const startAt = Date.now()
+let count = 0
+
+export default defineEventHandler(() => ({
+  pageview: count++,
+  startAt,
+}))

server/tsconfig.json

@@ -0,0 +1,3 @@
+{
+  "extends": "../.nuxt/tsconfig.server.json"
+}