add issues structure

app.py

@@ -40,6 +40,12 @@ Stars be: 0, 1-10, 10-100, 100-1000, 1000+
 <start_jupyter><jupyter_text>text<jupyter_code>code<jupyter_output>output<jupyter_text>
 ```
 
+### Issues
+
+```
+<issue_start><issue_comment>text<issue_comment>...<issue_closed>
+```
+
 ### Fill-in-the-middle
 
 ```