refactor: restructure registry with auth and agent guidelines

- Add built-in authentication with Apache utils
- Add AGENTS.md for coding guidelines
- Enhance security with authentication enabled by default
- Remove unnecessary template files
- Simplify configuration and setup process

.gitignore

@@ -1,22 +0,0 @@
-# Ignore data directories
-data/
-auth/
-certs/
-
-# Ignore environment file with secrets
-.env
-
-# Ignore Docker files
-.dockerignore
-
-# Ignore logs
-*.log
-logs/
-
-# Ignore temporary files
-.tmp/
-*.tmp
-
-# Ignore OS files
-.DS_Store
-Thumbs.db