docs: add GitHub issue templates

- bug_report.md
- feature_request.md
- feedback.md

cc

.github/ISSUE_TEMPLATE/feature_request.md

@@ -0,0 +1,29 @@
+---
+name: Feature request
+about: Suggest an idea or improvement
+title: "[Feature] "
+labels: enhancement
+assignees: ""
+---
+
+## Problem statement
+
+What problem are you trying to solve?  
+Why is the current behavior insufficient?
+
+## Proposed solution
+
+Describe the feature or change you would like to see.
+
+## Alternatives considered
+
+Any alternative solutions or workarounds you’ve considered.
+
+## Scope / impact
+
+- Does this affect audio, UI, performance, or packaging?
+- Is this platform-specific?
+
+## Additional context
+
+Mockups, references, or related projects are welcome.