Feat/configurable sanitizers and js precision (#32)

* chore: Exclude CLAUDE.md from Cargo.toml

* feat: Add configurable analysis rules and CLI commands for custom sanitizers and terminators

* feat: Enhance resource management and analysis efficiency

- Implemented parallel summary merging in `scan_filesystem` using rayon for improved performance.
- Introduced `GlobalSummaries::merge()` for efficient merging of summaries.
- Optimized file reading and hashing to eliminate redundant I/O operations.
- Added `should_scan_with_hash()` and `upsert_file_with_hash()` methods to streamline file processing.
- Enhanced taint analysis with in-place mutations to reduce memory allocations.
- Updated resource acquisition patterns to exclude false positives for `freopen` and wrapper functions.

* feat: Implement severity downgrade for findings in non-production paths and add source kind inference

* feat: Update versioning information in SECURITY.md for new stable line

* feat: Update categories in Cargo.toml to include parser-implementations and text-processing

* feat: Update dependencies in Cargo.lock for improved compatibility and performance

* feat: Update dependencies in Cargo.lock and Cargo.toml for improved compatibility

SECURITY.md

@@ -4,9 +4,9 @@
 
 | Version | Supported | Notes                |
 |---------|-----------|----------------------|
-| 0.2.x   | ✅        | Latest stable line   |
-| 0.1.x   | ✅        | Critical fixes only  |
-| < 0.1   | ❌        | End-of-life          |
+| 0.3.x   | ✅        | Latest stable line   |
+| 0.2.x   | ✅        | Critical fixes only  |
+| < 0.2   | ❌        | End-of-life          |
 
 We follow [Semantic Versioning] as soon as we hit **1.0.0**.  
 Before that, breaking changes may land in any minor release.