Add bug report template

Author: nickzhums

.github/ISSUE_TEMPLATE/bug_report.yml

@@ -0,0 +1,90 @@
+name: 🐛 Bug report
+description: Create a report to help us improve the GitHub Copilot experience for Eclipse
+labels:
+  - bug
+  - triage-needed
+
+body:
+  - type: markdown
+    attributes:
+      value: |
+        Thank you for reporting an issue.
+
+        This issue tracker is for bugs and issues found in **GitHub Copilot for Eclipse**.
+        Please fill in as much of the form as possible.
+
+  - type: dropdown
+    id: feedback_source
+    attributes:
+      label: Feedback source
+      description: Where did you encounter or discuss this issue?
+      options:
+        - Eclipse Marketplace
+        - GitHub Discussion
+        - Internal Enterprise Feedback
+        - Reddit
+        - X/Twitter
+        - Other
+
+  - type: input
+    id: plugin_version
+    attributes:
+      label: GitHub Copilot plugin version
+      description: |
+        You can check the versions from Settings -> Plugins -> Installed  
+
+  - type: input
+    id: ide_version
+    attributes:
+      label: Eclipse IDE and version
+      description: |
+        Please specify the Eclipse IDE and version you are using.
+
+  - type: textarea
+    id: platform
+    attributes:
+      label: Platform
+      description: |
+        **UNIX:** output of `uname -a`  
+        **Windows:** output of  
+        `"$([Environment]::OSVersion.VersionString) $(('x86', 'x64')[[Environment]::Is64BitOperatingSystem])"`  
+        in PowerShell
+
+  - type: textarea
+    id: steps
+    attributes:
+      label: Steps to reproduce
+      description: >
+        Describe how to reproduce the issue.  
+        If applicable, include a minimal code snippet that can run directly without third-party dependencies.
+    validations:
+      required: true
+
+  - type: textarea
+    id: logs
+    attributes:
+      label: Logs (optional)
+      description: |
+        If possible, include debug-level logs.
+
+  - type: textarea
+    id: expected
+    attributes:
+      label: Expected behavior
+      description: Please describe what you expected to happen. Textual output is preferred over screenshots.
+    validations:
+      required: true
+
+  - type: textarea
+    id: actual
+    attributes:
+      label: Actual behavior
+      description: Please provide screenshots, videos, or textual output of what you observed.
+    validations:
+      required: true
+
+  - type: textarea
+    id: additional
+    attributes:
+      label: Additional information
+      description: Include anything else you think may help us investigate.