Fix bug report template: clarify widget placement and app version fields

.github/ISSUE_TEMPLATE/bug_report.md

@@ -1,27 +1,28 @@
 ---
-name: Bug report
+
+name: Bug report  
 about: Create a report to help us improve
 
 ---
 
-**Describe the bug**
+**Describe the bug**  
 A clear and concise description of what the bug is.
 
-**To Reproduce**
-Steps to reproduce the behavior:
-1. Where did you put the widget on,
+**To Reproduce**  
+Steps to reproduce the behavior:  
+1. Where is the widget placed?  
 2. Run `flutter doctor` and paste the information here.
 
-**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.
 
-**Smartphone (please complete the following information):**
- - Device: [e.g. iPhone6]
- - OS: [e.g. iOS8.1]
- - Version [e.g. 0.0.6]
+**Smartphone (please complete the following information):**  
+- Device: [e.g. iPhone6]  
+- OS: [e.g. iOS8.1]  
+- App version: [e.g. 0.0.6]
 
-**Additional context**
-Add any other context about the problem here.
+**Additional context**  
+Add any other context about the problem here.