Add initial project structure with core functionality

- Created a new Go module named 'teleport' for secure port forwarding.
- Added essential files including .gitignore, LICENSE, and README.md with project details.
- Implemented configuration management with YAML support in config package.
- Developed core client and server functionalities for handling port forwarding.
- Introduced DNS server capabilities and integrated logging with sanitization.
- Established rate limiting and metrics tracking for performance monitoring.
- Included comprehensive tests for core components and functionalities.
- Set up CI workflows for automated testing and release management using Gitea actions.

.gitignore

@@ -0,0 +1,14 @@
+# Dist directory
+dist/
+
+# Binary files
+*.exe
+
+# Configuration files
+*.yaml
+
+# Allow goreleaser configuration file to be committed
+!.goreleaser.yaml
+
+# Allow .gitea workflows to be committed
+!.gitea/workflows/*.yaml