Clean up repository structure and release docs

.github/ISSUE_TEMPLATE.md

@@ -0,0 +1,34 @@
+## Type
+
+Bug report, feature request, documentation issue, or support question?
+
+## Summary
+
+What should maintainers know first?
+
+## Steps To Reproduce
+
+For bugs, list the shortest reproducible path:
+
+1.
+2.
+3.
+
+## Expected Behavior
+
+What did you expect to happen?
+
+## Environment
+
+- I Hate PDFs version/build:
+- macOS version:
+- Install source: GitHub release or Mac App Store
+- Mac architecture: Apple Silicon or Intel
+
+## UI Evidence
+
+Attach screenshots or recordings for UI problems. Each file must be under 1 MB.
+
+## Size And Privacy Impact
+
+For feature requests, note whether this requires new assets, dependencies, network behavior, bundled PDFs, or release-size increases.