update readme: release v1.1

Author: Sep0lkit

README.md

@@ -17,7 +17,7 @@ I use this action for my blog system,  make me more focused on writing.
 
 ```
     - name: Git-Issues-Blog
-      uses: Sep0lkit/git-issues-blog@v1.0
+      uses: Sep0lkit/git-issues-blog@v1.1
       env:
         GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
         POSTS_PATH: 'posts'
@@ -28,11 +28,8 @@ I use this action for my blog system,  make me more focused on writing.
 
 #### Issues templates
 
-    "_tpl/post-header.md" and "_tpl/post-footer.md" for templates, issues content will be:
-    
-        Issues = post-header.md + posts/example.md + post-footer.md
-
-
+"_tpl/post-header.md" and "_tpl/post-footer.md" for templates, issues content will be:
+    <u>**Issues = post-header.md + posts/example.md + post-footer.md**</u>
 
 ## Something to do: