docs: add Sanity integration guide (#10152)

* docs: add integrate to Sanity guide

* address PR feedback

* added more screenshots

* edit introduction

* added meta images + changes

www/apps/resources/generated/files-map.mjs

@@ -591,6 +591,10 @@ export const filesMap = [
     "filePath": "/www/apps/resources/app/examples/page.mdx",
     "pathname": "/examples"
   },
+  {
+    "filePath": "/www/apps/resources/app/integrations/guides/sanity/page.mdx",
+    "pathname": "/integrations/guides/sanity"
+  },
   {
     "filePath": "/www/apps/resources/app/integrations/page.mdx",
     "pathname": "/integrations"