Update bug.md

.gitlab/issue_templates/bug.md

 ## Summary
 
-(Summarize the bug encountered concisely)
+{Summarize the bug encountered concisely}
+
+I confirm that I have (if relevant):
+- [ ] Updated aliby and aliby-baby.
+- [ ] Tried the unit test.
+- [ ] Tried a scaled-down version of my experiment (distributed=0, filter=0, tps=10)
+- [ ] Tried re-postprocessing.
 
 ## Steps to reproduce
 
-(How one can reproduce the issue - this is very important)
+{How one can reproduce the issue - this is very important}
+
+- aliby version: 0.1.{...}, or if development/unreleased version, commit SHA: {...}
+- platform(s):
+    - [ ] Jura
+    - [ ] Other Linux, please specify distribution and version: {...}
+    - [ ] MacOS, please specify version: {...}
+    - [ ] Windows, please specify version: {...}
+- experiment ID: {...}
+   - Any special things you need to know about this experiment: {...}
 
 ## What is the current bug behavior?
 
@@ -19,6 +34,12 @@
 (Paste any relevant logs - please use code blocks (```) to format console output, logs, and code, as
 it's very hard to read otherwise.)
 
+```
+{PASTE YOUR ERROR MESSAGE HERE!!}
+
+
+```
+
 ## Possible fixes
 
 (If you can, link to the line of code that might be responsible for the problem)