✨ feat: Add streaming support (#125)

This adds:
- [x] Keyboard and mouse handling on the frontend
- [x] Video and audio streaming from the backend to the frontend
- [x] Input server that works with Websockets

Update - 17/11
- [ ] Master docker container to run this
- [ ] Steam runtime
- [ ] Entrypoint.sh

---------

Co-authored-by: Kristian Ollikainen <14197772+DatCaptainHorse@users.noreply.github.com>
Co-authored-by: Kristian Ollikainen <DatCaptainHorse@users.noreply.github.com>

packages/relay/main.go

@@ -0,0 +1,32 @@
+package main
+
+import (
+	"log"
+	"os"
+	"os/signal"
+	relay "relay/internal"
+	"syscall"
+)
+
+func main() {
+	var err error
+	stopCh := make(chan os.Signal, 1)
+	signal.Notify(stopCh, os.Interrupt, syscall.SIGTERM)
+
+	// Get flags and log them
+	relay.InitFlags()
+	relay.GetFlags().DebugLog()
+
+	// Init WebRTC API
+	err = relay.InitWebRTCAPI()
+	if err != nil {
+		log.Fatal("Failed to initialize WebRTC API: ", err)
+	}
+
+	// Start our HTTP endpoints
+	relay.InitHTTPEndpoint()
+
+	// Wait for exit signal
+	<-stopCh
+	log.Println("Shutting down gracefully by signal...")
+}