Update issue templates

.github/ISSUE_TEMPLATE/bug_report.md

@@ -7,20 +7,19 @@ assignees: ''
 
 ---
 
-**Describe the bug**
+## 🐛 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
+1. 
+2. 
+3. 
 
-**Expected behavior**
+## Expected behavior
 A clear and concise description of what you expected to happen.
 
-**Screenshots**
+## Environment
 If applicable, add screenshots to help explain your problem.
 
 **Desktop (please complete the following information):**
@@ -32,5 +31,5 @@ If applicable, add screenshots to help explain your problem.
  - OS: [e.g. iOS8.1]
  - Version [e.g. 22]
 
-**Additional context**
+## Additional context
 Add any other context about the problem here.