Clean up repository for public release

- Add comprehensive .gitignore for IDEs (VS Code, IntelliJ IDEA, Visual Studio, etc.)
- Remove temporary test files and internal documentation
- Update Docker config example to use placeholder secret
- Remove log files from tracking
- Prepare repository for public Git push

Changes:
- Added .gitignore with support for all major IDEs and editors
- Removed test_*.sh development test files
- Removed internal documentation files
- Cleaned up sensitive configuration examples
- Removed log files from version control

dockerenv/config/config.toml

@@ -37,7 +37,7 @@ writetimeout = "3600s"
 idletimeout = "3600s"
 
 [security]
-secret = "hmac-file-server-is-the-win"
+secret = "CHANGE-THIS-TO-YOUR-SECRET-KEY-MINIMUM-32-CHARACTERS"
 
 [versioning]
 enableversioning = false