[Docs Site] Add Turnstile and track referrer in feedback prompt

Author: KianNH

package-lock.json

@@ -39,7 +39,7 @@
 		"@codingheads/sticky-header": "1.0.2",
 		"@expressive-code/plugin-collapsible-sections": "0.38.3",
 		"@iarna/toml": "2.2.5",
-		"@iconify-json/material-symbols": "1.2.13",
+		"@marsidev/react-turnstile": "1.1.0",
 		"@stoplight/json-schema-tree": "4.0.0",
 		"@types/hast": "3.0.4",
 		"@types/he": "1.2.3",
@@ -80,6 +80,7 @@
 		"puppeteer": "24.1.1",
 		"react": "19.0.0",
 		"react-dom": "19.0.0",
+		"react-icons": "5.4.0",
 		"react-markdown": "9.0.3",
 		"redirects-in-workers": "0.0.5",
 		"rehype": "13.0.2",