feat: add plausible analytics

Just reuse ppresume analytics infra here

src/pages/_app.tsx

@@ -2,5 +2,14 @@ import '@/styles/globals.css'
 import type { AppProps } from 'next/app'
 
 export default function App({ Component, pageProps }: AppProps) {
-  return <Component {...pageProps} />
+  return (
+    <>
+      <script
+        defer
+        data-domain="debug.health"
+        src="https://plausible.ppresume.com/js/script.js"
+      ></script>
+      <Component {...pageProps} />
+    </>
+  )
 }