Add Koblas to proxy category (#3827)

README.md

@@ -1642,6 +1642,7 @@ _Related: [Web Servers](#web-servers)_
 - [imgproxy](https://imgproxy.net/) - Fast and secure standalone server for resizing and converting remote images. It works great when you need to resize multiple images on the fly without preparing a ton of cached resized images or re-doing it every time the design changes. ([Source Code](https://github.com/imgproxy/imgproxy)) `MIT` `Go/Docker`
 - [inlets](https://inlets.dev/) - Expose your local endpoints to the Internet - with a Kubernetes integration, Docker image and CLI available. `MIT` `Go/Docker`
 - [iodine](https://code.kryo.se/iodine/) - IPv4 over DNS tunnel solution, enabling you to start up a socks5 proxy listener. ([Source Code](https://github.com/yarrick/iodine)) `ISC` `C`
+- [Koblas](https://github.com/ynuwenhof/koblas) - Lightweight SOCKS5 proxy server. `MIT` `Rust/Docker`
 - [Nginx Proxy Manager](https://nginxproxymanager.com/) - Nginx Proxy Manager is an easy way to accomplish reverse proxying hosts with SSL termination. ([Source Code](https://github.com/jc21/nginx-proxy-manager)) `MIT` `Nodejs/Docker`
 - [Outline Server](https://getoutline.org/) - A proxy server that runs a Shadowsocks instance for each access key and a REST API to manage the access keys. ([Source Code](https://github.com/Jigsaw-Code/outline-server)) `Apache-2.0` `Docker/Nodejs`
 - [Pomerium](https://www.pomerium.io) - An identity-aware reverse proxy, successor to now obsolete oauth_proxy. It inserts an OAuth step before proxying your request to the backend, so that you can safely expose your self-hosted websites to public Internet. ([Source Code](https://github.com/pomerium/pomerium)) `Apache-2.0` `Go`