fix: default limit

src/app/post/services/post.service.ts

@@ -22,12 +22,10 @@ export class PostService {
     );
   }
 
-  public getPosts(page: number, tags?: string[], limit?: string): Observable<PostWithMeta> {
-    if (!limit) {
-      // 12 posts to fit new design (1 + 3 + 2 + 1 + 3 + 2)
-      limit = '12';
-    }
-
+  /**
+   * 12 posts to fit new design (1 + 3 + 2 + 1 + 3 + 2)
+   */
+  public getPosts(page: number, tags?: string[], limit: string = '12'): Observable<PostWithMeta> {
     let tagsFilter = '';
     if (tags) {
       let tagsString = '';