Add initial README with supported protocols

README.md

@@ -0,0 +1,27 @@
+<div align="center">
+
+  # showbridge (go edition)
+
+Simple protocol router _/s_
+
+</div>
+
+### Supported Protocols
+- HTTP
+  - client
+  - server
+- UDP
+  - client
+  - server
+- TCP
+  - client
+  - server
+- [MQTT](https://mqtt.org/)
+  - client
+- [PosiStageNet](https://posistage.net/)
+  - client
+- MIDI
+  - client (not included in pre-built binaries yet)
+
+  
+