Add template for opening issues

.github/ISSUE_TEMPLATE/bug_report.md

@@ -0,0 +1,39 @@
+---
+name: Bug report
+about: Create a report to help us improve
+title: ''
+labels: ''
+assignees: ''
+
+---
+
+<!-- 
+Note: This repository and all other CS50 repositories **are not** the place to submit your completed problem sets or request help with assignments. 
+If you’re stuck on a problem set, please consult one of our [many communities](https://cs50.harvard.edu/x/communities/).
+
+Visit our [contribution guideline](https://github.com/cs50/problems/blob/2025/x/CONTRIBUTING.md) for more details.
+-->
+
+
+**Background**
+A concise explanation of the problem encountered. Be specific about what bug you are addressing (problem set, command line tooling, etc.) and the context in which it occurred.
+
+**Steps To Reproduce**
+Steps to reproduce the behavior:
+1. ...
+2. ...
+3. ...
+...
+
+Include code/screenshots that caused the error as long as it does not violate CS50's [Academic Honesty policy](https://cs50.harvard.edu/x/honesty/)
+
+**Expected behavior**
+A clear and concise description of what you expected to happen.
+
+**Desktop (please complete the following information):**
+ - OS: [e.g. macOS, Windows, Linux]
+ - Browser [e.g. chrome, safari]
+ - Version [e.g. 22]
+
+**Additional context**
+Add any other context that will help staff troubleshoot the issue, such as why you think it happened, troubleshooting you already tried, etc.)