Update bug_report.md

.github/ISSUE_TEMPLATE/bug_report.md

@@ -7,15 +7,17 @@ assignees: ''
 ---
 
 ### What
-- Describe the issue clearly
+- Describe here the issue clearly
 
 ### Steps to reproduce the behavior
+(optional, delete if empty)
 1. Go to '...'
 2. Click on '....'
 3. …
 4. See error
 
 ### Expected behavior
+(optional, delete if empty)
 A clear and concise description of what you expected to happen.
 
 ### Why
@@ -27,13 +29,30 @@ A clear and concise description of what you expected to happen.
 ### Screenshot/Mockup/Before-After
 (optional, delete if empty)
 
-### Smartphone model
+### Important information
  - Device: [e.g. Pixel6]
  - OS: [e.g. Android 10]
  - App Version [e.g. 22] - you can see that either at the bottom of the app settings (left menu) or https://nerdschalk.com/how-to-find-version-number-of-an-app-installed-on-your-device/
 
 ### Additional context
 (optional, delete if empty)
 
+### Open Food Facts username
+(optional, delete if empty)
+If relevant, to help us debug your edits, etc…
+
+### Barcode(s) of the product(s)
+(optional, delete if empty)
+If relevant, please indicate the barcode(s) of products you manage to make this issue happen on. 
+If systematic, put "All"
+
+### Project
+(Please keep only the one you used) Open Food Facts, Open Beauty Facts, Open Pet Food Facts, Open Products Facts
+
+### Installation method
+(Please keep only the one you used)
+Google PlayStore, F-Droid, APK, Other
 
+### Logs/Stacktrace
+(optional, delete if empty/you don't know)