chore: add GitHub issue templates (bug report + feature request)

.github/ISSUE_TEMPLATE/bug_report.yml

@@ -0,0 +1,49 @@
+name: Bug Report
+description: Report a bug or unexpected behavior
+labels: ["bug"]
+body:
+  - type: input
+    id: version
+    attributes:
+      label: Version
+      description: "Run `twitter --version` or `pip show twitter-cli | grep Version`"
+      placeholder: "e.g. 0.6.0"
+    validations:
+      required: true
+  - type: dropdown
+    id: os
+    attributes:
+      label: Operating System
+      options:
+        - macOS
+        - Linux
+        - Windows
+        - Other
+    validations:
+      required: true
+  - type: textarea
+    id: description
+    attributes:
+      label: What happened?
+      description: Describe the bug clearly.
+    validations:
+      required: true
+  - type: textarea
+    id: expected
+    attributes:
+      label: Expected behavior
+      description: What did you expect to happen?
+    validations:
+      required: true
+  - type: textarea
+    id: reproduce
+    attributes:
+      label: Steps to reproduce
+      description: "Commands or steps to reproduce the issue. Use `twitter -v <command>` for debug output."
+      render: bash
+  - type: textarea
+    id: logs
+    attributes:
+      label: Error output / logs
+      description: Paste any error messages or verbose output here.
+      render: text

.github/ISSUE_TEMPLATE/feature_request.yml

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+name: Feature Request
+description: Suggest a new feature or improvement
+labels: ["enhancement"]
+body:
+  - type: input
+    id: version
+    attributes:
+      label: Current version
+      description: "Run `twitter --version` or `pip show twitter-cli | grep Version`"
+      placeholder: "e.g. 0.6.0"
+    validations:
+      required: false
+  - type: textarea
+    id: description
+    attributes:
+      label: Describe the feature
+      description: What would you like to see added or changed?
+    validations:
+      required: true
+  - type: textarea
+    id: use_case
+    attributes:
+      label: Use case
+      description: Why do you need this feature? How would you use it?