docs: prepare cloud docs (#12784)

* initial

* fixes

* docs: prepare cloud docs

www/apps/book/next.config.mjs

@@ -40,6 +40,9 @@ const withMDX = mdx({
               projectPath: path.resolve("..", "api-reference"),
               skipSlugValidation: true,
             },
+            cloud: {
+              projectPath: path.resolve("..", "cloud"),
+            },
           },
         },
       ],
@@ -52,13 +55,16 @@ const withMDX = mdx({
               url: process.env.NEXT_PUBLIC_RESOURCES_URL,
             },
             "user-guide": {
-              url: process.env.NEXT_PUBLIC_RESOURCES_URL,
+              url: process.env.NEXT_PUBLIC_USER_GUIDE_URL,
             },
             ui: {
-              url: process.env.NEXT_PUBLIC_RESOURCES_URL,
+              url: process.env.NEXT_PUBLIC_UI_URL,
             },
             api: {
-              url: process.env.NEXT_PUBLIC_RESOURCES_URL,
+              url: process.env.NEXT_PUBLIC_API_URL,
+            },
+            cloud: {
+              url: process.env.NEXT_PUBLIC_CLOUD_URL,
             },
           },
           useBaseUrl:
@@ -177,6 +183,16 @@ const nextConfig = {
           destination: `${process.env.NEXT_PUBLIC_USER_GUIDE_URL || "https://localhost:3001"}/user-guide/:path*`,
           basePath: false,
         },
+        {
+          source: "/cloud",
+          destination: `${process.env.NEXT_PUBLIC_CLOUD_URL || "https://localhost:3001"}/cloud`,
+          basePath: false,
+        },
+        {
+          source: "/cloud/:path*",
+          destination: `${process.env.NEXT_PUBLIC_CLOUD_URL || "https://localhost:3001"}/cloud/:path*`,
+          basePath: false,
+        },
       ],
     }
   },