add ISSUE_TEMPLATE/bug_report.yml

.github/ISSUE_TEMPLATE/bug_report.yml

@@ -0,0 +1,60 @@
+name: Bug report
+description: Create a report to help us improve Geras
+title: "[BUG]: <title>"
+labels: [ "bug" ]
+
+body:
+  - type: markdown
+    attributes:
+      value: |
+        **Thank you for reporting this issue!**        
+        To help us understand and address the problem effectively, please provide detailed information. 
+        You can refer to [this guide](https://stackoverflow.com/help/mcve) for tips on creating a good bug report.
+
+  - type: textarea
+    id: describe-bug
+    attributes:
+      label: Describe the bug
+      description: A clear and concise description of what the bug is.
+    validations:
+      required: true
+
+  - type: textarea
+    id: environment
+    attributes:
+      label: Environment
+      description: "Please provide details about your environment:"
+      value: |
+        - Geras Version: [e.g., 1.3.0]
+        - Thanos Version: [e.g., 0.32.5]
+        - OpenTSDB Version: [e.g., 2.4.1]
+    validations:
+      required: true
+
+  - type: textarea
+    id: steps-to-reproduce
+    attributes:
+      label: Steps To Reproduce
+      description: "Detailed steps to reproduce the behavior:"
+      placeholder: |
+        1. Provide a detailed description of the steps taken.
+        2. Specify any relevant configuration or input data.
+        3. Explain the observed behavior or error message.
+    validations:
+      required: true
+
+  - type: textarea
+    id: expected-behavior
+    attributes:
+      label: Expected Behavior
+      description: A clear and concise description of what you expected to happen.
+    validations:
+      required: true
+
+  - type: textarea
+    id: context
+    attributes:
+      label: Additional Context (Optional)
+      description: Add any other context about the problem here, including log outputs or screenshots if applicable.
+    validations:
+      required: false