chore: Enhance style

Author: peaceiris

.github/ISSUE_TEMPLATE/1_user_support.md

@@ -6,26 +6,26 @@ labels: support
 assignees: peaceiris
 ---
 
-**Check list before opening this issue**
+### Check list before opening this issue
 
 - [ ] I read the latest README
   - I checked [Available Options](https://github.com/peaceiris/actions-gh-pages#options)
   - I followed [Tips and FAQ](https://github.com/peaceiris/actions-gh-pages#tips-and-faq)
   - I tried [Workflow Examples](https://github.com/peaceiris/actions-gh-pages#examples)
 
-**Describe your question**
+### Describe your question
 
 A clear and concise description of what the question is.
 
-**Link to your contents**
+### Link to your contents
 
 - Link to your public repository here
 - Link to your workflow here
 
-**Screenshots**
+### Screenshots
 
 If applicable, add screenshots to help explain your question.
 
-**Additional context**
+### Additional context
 
 Add any other context about the problem here.

.github/ISSUE_TEMPLATE/2_bug_report.md

@@ -7,25 +7,31 @@ assignees: peaceiris
 
 ---
 
-**Describe the bug**
+### Describe the bug
+
 A clear and concise description of what the bug is.
 
-**To Reproduce**
+### To Reproduce
+
 Steps to reproduce the behavior:
 1. Go to '...'
 2. Click on '....'
 3. Scroll down to '....'
 4. See error
 
-**Expected behavior**
+### Expected behavior
+
 A clear and concise description of what you expected to happen.
 
-**Screenshots**
+### Screenshots
+
 If applicable, add screenshots to help explain your problem.
 
-**Your YAML file**
+### Your YAML file
+
 - A link to your repository
 - A link to your YAML file
 
-**Additional context**
+### Additional context
+
 Add any other context about the problem here.

.github/ISSUE_TEMPLATE/3_proposal.md

@@ -7,14 +7,18 @@ assignees: peaceiris
 
 ---
 
-**Is your feature request related to a problem? Please describe.**
+### Is your feature request related to a problem? Please describe
+
 A clear and concise description of what the problem is. Ex. I'm always frustrated when [...]
 
-**Describe the solution you'd like**
+### Describe the solution you'd like
+
 A clear and concise description of what you want to happen.
 
-**Describe alternatives you've considered**
+### Describe alternatives you've considered
+
 A clear and concise description of any alternative solutions or features you've considered.
 
-**Additional context**
+### Additional context
+
 Add any other context or screenshots about the feature request here.