feat: 将Markdown渲染改为HTML渲染

- CMS相关字段由Markdown改为WYSIWYG，前端做出对应更改
- AssetUrl重写：将CMS地址重写为本地API

server/api/cms/solution/[id].get.ts

@@ -10,5 +10,13 @@ export default defineEventHandler(async (event) => {
 
   const locale = getHeader(event, 'x-locale') || 'zh-CN';
 
-  return solutionService.getSolutionById(id, locale);
+  const solution = await solutionService.getSolutionById(id, locale);
+
+  solution.content = rewriteAssetUrls(
+    solution.content,
+    useRuntimeConfig().public.directus.url,
+    '/api/assets'
+  );
+
+  return solution;
 });