* feat(logging): introduce clash-verge-logging crate for management
- Added a new crate `clash-verge-logging` with dependencies on `log`, `tokio`, `compact_str`, and `flexi_logger`.
- Implemented logging types and macros for structured logging across the application.
- Replaced existing logging imports with the new `clash_verge_logging` crate in various modules.
- Updated logging functionality to support different logging types and error handling.
- Refactored code to improve logging consistency and maintainability.
* fix(logging): update import paths for clash_verge_logging in linux.rs and dns.rs
* fix(logging): update import statement for clash_verge_logging in windows.rs
- Honor Freedesktop precedence when locating mimeapps.list
- Replace per-scheme HashSet with index-tracking HashMap
- Merge duplicate handler entries instead of discarding them
- Ensure all schemes exist using the new tracking structure
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