Update issue templates

Author: tangbc

.github/ISSUE_TEMPLATE/bug_report.md

@@ -7,25 +7,18 @@ assignees: ''
 
 ---
 
-**Describe**
-
+## Describe
 A clear and concise description of what the bug is.
 
-
-**To Reproduce**
-
+## To Reproduce
 Steps to reproduce the behavior:
 1. Click on '....'
 2. Scroll down to '....'
 3. See error
 
+## Reproduce demo
+Providing a reproduce demo of this bug, that will help me solve the problem more quickly. You can fork by this online demo: https://codesandbox.io/s/live-demo-virtual-list-e1ww1 
 
-**Live demo**
-
-Providing a jsfiddle (or other) live demo can reproduce this bug, that will help me solve the problem more quickly.
-
-
-**Other**
-
+## Other
  - Version [e.g. 2.0]
  - Browser [e.g. chrome, safari]

.github/ISSUE_TEMPLATE/feature_request.md

@@ -7,11 +7,6 @@ assignees: ''
 
 ---
 
-**Is your feature request related to a problem?**
+## Describe the feature request
 
-A clear and concise description of what the problem is. Ex. I'm always frustrated when [...]
-
-
-**Describe the feature request**
-
-A clear and concise description of what you want to happen.
+A clear and concise description of what you want to happen. Or a clear and concise description of what the problem is. Ex. I'm always frustrated when [...]