GiteaPR: native iOS app to manage Gitea pull requests

Multi-repo PR inbox, review (approve/request changes/comment), merge with
gating toggle, read-only diff viewer, and Gitea Actions check status with
one-tap re-run. Ships unsigned via the iMac runner to the SideStore source.

.gitignore

@@ -0,0 +1,10 @@
+# Xcode
+build/
+DerivedData/
+*.ipa
+dist/
+xcuserdata/
+*.xcuserstate
+
+# macOS
+.DS_Store