Fix story downloads and update repository URLs

- Skip overlay merging for all story types (public stories, friend stories, spotlight)
- Update all repository URLs from GitHub to Gitea instance
- Update .gitignore to exclude build artifacts and compiled outputs
- Configure updater to sync with new XSnap repository

.gitignore

@@ -18,3 +18,64 @@ cloudflare/**/allowed_codes.local.*
 security/allowed-codes.local.*
 security/allowed_codes.local.*
 valdi/node_modules/
+
+# Android build outputs
+*.apk
+*.ap_
+*.aab
+*.dex
+*.class
+
+# Generated files
+bin/
+gen/
+out/
+release/
+
+# Gradle files
+.gradle/
+build/
+*/build/
+
+# Local configuration file (sdk path, etc)
+local.properties
+
+# Log Files
+*.log
+
+# Android Studio Navigation editor temp files
+.navigation/
+
+# Android Studio captures folder
+captures/
+
+# Keystore files
+*.jks
+*.keystore
+
+# External native build folder generated by CMake
+.externalNativeBuild
+.cxx/
+
+# Version control
+.svn/
+
+# IntelliJ
+*.ipr
+*.iws
+.idea/workspace.xml
+.idea/tasks.xml
+.idea/gradle.xml
+.idea/assetWizardSettings.xml
+.idea/dictionaries
+.idea/libraries
+.idea/jarRepositories.xml
+.idea/caches
+.idea/modules.xml
+.idea/.name
+.idea/compiler.xml
+.idea/misc.xml
+
+# OS-specific files
+.DS_Store
+Thumbs.db