docs: change configurations to make v2 the main docs (#9729)

* docs: change configurations to make v2 the main docs

* move api routes to top level

* remove api prefix

* update opengraph images

* show v1 link

* add redirect to v1

www/apps/user-guide/next.config.mjs

@@ -34,7 +34,7 @@ const withMDX = mdx({
             },
             api: {
               url: process.env.NEXT_PUBLIC_API_URL,
-              path: "v2/api",
+              path: "api",
             },
           },
           useBaseUrl:
@@ -82,7 +82,7 @@ const nextConfig = {
 
   transpilePackages: ["docs-ui"],
   // TODO uncomment if we decide on baes path
-  basePath: process.env.NEXT_PUBLIC_BASE_PATH || "/v2/user-guide",
+  basePath: process.env.NEXT_PUBLIC_BASE_PATH || "/user-guide",
 }
 
 export default withMDX(nextConfig)