deps: update dependencies for GORM, Viper, and SQLite support

- Add GORM v1.25.12 with MySQL and SQLite drivers
- Add Viper v1.19.0 for configuration management
- Add UUID package for GORM model IDs
- Update vendor directory with new dependencies
- Update Go module requirements and checksums

🤖 Generated with [Claude Code](https://claude.ai/code)

Co-Authored-By: Claude <noreply@anthropic.com>

vendor/github.com/go-viper/mapstructure/v2/.gitignore

@@ -0,0 +1,6 @@
+/.devenv/
+/.direnv/
+/.pre-commit-config.yaml
+/bin/
+/build/
+/var/