chore: import upstream snapshot with attribution

.github/ISSUE_TEMPLATE/bug_report.yml

@@ -0,0 +1,57 @@
+name: 'Bug Report'
+description: 'Report a bug to help us improve Gemini CLI'
+body:
+  - type: 'markdown'
+    attributes:
+      value: |-
+        > [!IMPORTANT]
+        > Thanks for taking the time to fill out this bug report!
+        >
+        > Please search **[existing issues](https://github.com/google-gemini/gemini-cli/issues)** to see if an issue already exists for the bug you encountered.
+
+  - type: 'textarea'
+    id: 'problem'
+    attributes:
+      label: 'What happened?'
+      description: 'A clear and concise description of what the bug is.'
+    validations:
+      required: true
+
+  - type: 'textarea'
+    id: 'expected'
+    attributes:
+      label: 'What did you expect to happen?'
+    validations:
+      required: true
+
+  - type: 'textarea'
+    id: 'info'
+    attributes:
+      label: 'Client information'
+      description: 'Please paste the full text from the `/about` command run from Gemini CLI. Also include which platform (macOS, Windows, Linux). Note that this output contains your email address. Consider removing it before submitting.'
+      value: |-
+        <details>
+        <summary>Client Information</summary>
+
+        Run `gemini` to enter the interactive CLI, then run the `/about` command.
+
+        ```console
+        > /about
+        # paste output here
+        ```
+
+        </details>
+    validations:
+      required: true
+
+  - type: 'textarea'
+    id: 'login-info'
+    attributes:
+      label: 'Login information'
+      description: 'Describe how you are logging in (e.g., Google Account, API key).'
+
+  - type: 'textarea'
+    id: 'additional-context'
+    attributes:
+      label: 'Anything else we need to know?'
+      description: 'Add any other context about the problem here.'