chore: Update bug report template

Add common pattern for reproduction with https://mermaid.live/

.github/ISSUE_TEMPLATE/bug_report.md

@@ -12,30 +12,32 @@ A clear and concise description of what the bug is.
 
 **To Reproduce**
 Steps to reproduce the behavior:
-1. Go to '...'
-2. Click on '....'
-3. Scroll down to '....'
-4. See error
+1. Go to the [live editor](https://mermaid.live).
+2. Enter the below code sample.
 
-**Expected behavior**
-A clear and concise description of what you expected to happen.
+**Code Sample**
+Live version: A link to https://mermaid.live/edit#…
+```
+graph TD;
+…
+```
 
 **Screenshots**
 If applicable, add screenshots to help explain your problem.
 
-**Code Sample**
-If applicable, add the code sample or a link to the [live editor](https://mermaid.live).
+**Expected behavior**
+A clear and concise description of what you expected to happen.
 
 **Desktop (please complete the following information):**
  - OS: [e.g. iOS]
- - Browser [e.g. chrome, safari]
- - Version [e.g. 22]
+ - Browser: [e.g. chrome, safari]
+ - Version: [e.g. 22]
 
 **Smartphone (please complete the following information):**
  - Device: [e.g. iPhone6]
  - OS: [e.g. iOS8.1]
- - Browser [e.g. stock browser, safari]
- - Version [e.g. 22]
+ - Browser: [e.g. stock browser, safari]
+ - Version: [e.g. 22]
 
 **Additional context**
 Add any other context about the problem here.