Rewrite shell signal handling

cmd/go2rtc_hass/main.go

@@ -0,0 +1,20 @@
+package main
+
+import (
+	"github.com/AlexxIT/go2rtc/internal/api"
+	"github.com/AlexxIT/go2rtc/internal/app"
+	"github.com/AlexxIT/go2rtc/internal/hass"
+	"github.com/AlexxIT/go2rtc/internal/streams"
+	"github.com/AlexxIT/go2rtc/pkg/shell"
+)
+
+func main() {
+	app.Init()
+	streams.Init()
+
+	api.Init()
+
+	hass.Init()
+
+	shell.RunUntilSignal()
+}