refactor: adjust file organisation

docs/en-gb/blog/_meta.json

@@ -1,7 +0,0 @@
-[
-  {
-    "type": "dir",
-    "name": "contents",
-    "label": "blog"
-  }
-]

docs/en-gb/blog/frontend-tips-and-solutions.md

@@ -61,7 +61,7 @@ createRoot(document.getElementById("root")!).render(
 /* index.css */
 
 @layer theme, base, antd, components, utilities;
-@import "tailwindcss";
+@import "../../../node_modules/.pnpm/tailwindcss@4.3.0/node_modules/tailwindcss/dist/lib.d.mts";
 ```
 
 ```typescript