feat: enhance filament management and UI improvements

- Update SpoolPresetRepository to include user_id in the update query.
- Expand .gitignore to include various environment and temporary files.
- Revise agent documentation for better clarity and formatting.
- Implement pull-to-refresh functionality in the inventory list.
- Integrate API calls for deleting and updating filaments, ensuring state synchronization.
- Add custom color picker for filament color selection with hex validation.
- Update AndroidManifest and Gradle files for improved configuration and permissions.
- Refactor MainActivity and MainApplication for better splash screen handling.
- Update styles and colors for a cohesive UI experience.
- Replace splash screen logos and icons with new assets.

mobile/.gitignore

@@ -3,4 +3,54 @@
 # The following patterns were generated by expo-cli
 
 expo-env.d.ts
-# @end expo-cli
+# @end expo-cli
+
+# Environment Variables
+.env
+.env.local
+.env.*.local
+
+# Node
+node_modules/
+npm-debug.*
+yarn-debug.*
+yarn-error.*
+lerna-debug.log
+package-lock.json
+yarn.lock
+
+# IDEs
+.vscode/
+.idea/
+*.swp
+*.swo
+*~
+.DS_Store
+*.sublime-workspace
+*.sublime-project
+
+# React Native / Expo
+android/
+ios/
+*.jks
+*.keystore
+build/
+.gradle/
+
+# Expo
+.expo/
+dist/
+.expo-shared/
+
+# Logs
+logs/
+*.log
+
+# Temporary files
+*.tmp
+.cache/
+tmp/
+
+# OS
+Thumbs.db
+.env.*.local