Add s3_analyzer.py for live protocol analysis of Instantel MiniMate Plus RS-232

- Implement functionality to read and parse raw_s3.bin and raw_bw.bin files.
- Define protocol constants and mappings for various command and response identifiers.
- Create data structures for frames, sessions, and diffs to facilitate analysis.
- Develop functions for annotating frames, splitting sessions, and generating reports.
- Include live mode for continuous monitoring and reporting of protocol frames.
- Add command-line interface for user interaction and configuration.

.gitignore

@@ -1 +1,25 @@
-/bridges/captures/
+/bridges/captures/
+
+# Python bytecode
+__pycache__/
+*.py[cod]
+
+# Virtual environments
+.venv/
+venv/
+env/
+
+# Editor / OS
+.vscode/
+*.swp
+.DS_Store
+Thumbs.db
+
+# Analyzer outputs
+*.report
+claude_export_*.md
+
+# Frame database
+*.db
+*.db-wal
+*.db-shm