feat(ios): add fastlane setup

apps/ios/fastlane/README.md

@@ -0,0 +1,23 @@
+# fastlane (Clawdis iOS)
+
+Install fastlane (recommended via Homebrew):
+
+```bash
+brew install fastlane
+```
+
+Configure App Store Connect auth:
+
+- Recommended: set `APP_STORE_CONNECT_API_KEY_PATH` to a JSON key file path.
+- Alternative: set `ASC_KEY_ID`, `ASC_ISSUER_ID`, `ASC_KEY_CONTENT` (base64 p8).
+
+Common lanes:
+
+```bash
+cd apps/ios
+fastlane beta
+
+# Upload metadata/screenshots only when explicitly enabled:
+DELIVER_METADATA=1 fastlane metadata
+DELIVER_METADATA=1 DELIVER_SCREENSHOTS=1 fastlane metadata
+```