update issue templates (#1074)

.github/ISSUE_TEMPLATE/bug_report.md

@@ -11,11 +11,19 @@ assignees: ''
 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
+Steps to reproduce the behavior, if applicable:
+
+1. The code is
+
+   ```go
+   
+   ```
+
+2. The error is
+
+   ```
+   
+   ```
 
 **Expected behavior**
 A clear and concise description of what you expected to happen.