fix: add comment ts types

Author: tangjinzhou

types/ant-design-vue.d.ts

@@ -16,6 +16,7 @@ import { Button } from './button/button';
 import { Calendar } from './calendar';
 import { Card } from './card';
 import { Collapse } from './collapse/collapse';
+import { Comment } from './comment';
 import { Carousel } from './carousel';
 import { Cascader } from './cascader';
 import { Checkbox } from './checkbox/checkbox';

types/comment.d.ts

@@ -0,0 +1,19 @@
+// Project: https://github.com/vueComponent/ant-design-vue
+// Definitions: https://github.com/vueComponent/ant-design-vue/types
+
+import { AntdComponent } from './component';
+
+export declare class Comment extends AntdComponent {
+  /** List of action items rendered below the comment content */
+  actions?: Array<any>;
+  /** The element to display as the comment author. */
+  author?: any;
+  /** The element to display as the comment avatar - generally an antd Avatar */
+  avatar?: any;
+  /** The main content of the comment */
+  content: any;
+  /** Comment prefix defaults to '.ant-comment' */
+  prefixCls?: string;
+  /** A datetime element containing the time to be displayed */
+  datetime?: any;
+}