Remove deprecated files and scripts to streamline the codebase

- Deleted unused API test files, RTSP diagnostic scripts, and development utility scripts to reduce clutter.
- Removed outdated database schema and modularization proposal documents to maintain focus on current architecture.
- Cleaned up configuration files and logging scripts that are no longer in use, enhancing project maintainability.

docs/README.md

@@ -0,0 +1,24 @@
+# Documentation
+
+This directory contains project documentation and reference materials.
+
+## Documentation Files
+
+- **`CODE_QUALITY_IMPROVEMENTS.md`** - Analysis and suggestions for improving code quality in the camera-management-api
+
+- **`MODULARIZATION_PROPOSAL.md`** - Different strategies for modularizing the API, including recommendations
+
+- **`REFACTORING_PLAN.md`** - Step-by-step quick start guide for implementing code quality improvements
+
+- **`REFACTORING_SUMMARY.md`** - Complete summary of the modularization and refactoring work performed (frontend microfrontends + backend improvements)
+
+- **`database_schema.md`** - Database schema documentation
+
+- **`rtsp_access_guide.md`** - Guide for accessing RTSP streams
+
+- **`test_rtsp_working.md`** - Notes about RTSP testing
+
+## Main Documentation
+
+See the root `README.md` for project overview, setup instructions, and quick start guide.
+