add GitHub issue templates (#565)

* chore: add GitHub issue templates for Android, Linux, and feature requests

* remove btl2capfix module option and add instructions for logs

Updated bug report template for Android to clarify logging instructions and options for rooted devices.

* Refine Linux bug report template details

Updated labels and descriptions for clarity in the bug report template.

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Co-authored-by: Kavish Devar <mail@kavishdevar.me>

.github/ISSUE_TEMPLATE/03-feature-request.yml

@@ -0,0 +1,31 @@
+name: Feature request
+description: Suggest a new feature or improvement
+labels: ["enhancement"]
+body:
+  - type: dropdown
+    id: scope
+    attributes:
+      label: Scope
+      options:
+        - Android
+        - Linux
+        - Both
+        - Other
+    validations:
+      required: true
+  - type: textarea
+    id: problem
+    attributes:
+      label: Problem or use case
+      description: What are you trying to do? What is missing or hard today?
+    validations:
+      required: true
+  - type: textarea
+    id: proposal
+    attributes:
+      label: Proposed solution
+      description: How might it work? UI sketches, behavior, edge cases.
+  - type: textarea
+    id: alternatives
+    attributes:
+      label: Alternatives considered