feat: add supervisor prototype with embedded frontend

internal/config/config.go

@@ -0,0 +1,15 @@
+package config
+
+import "os"
+
+type Config struct {
+	Addr string
+}
+
+func Load() Config {
+	addr := os.Getenv("SUPERVISOR_ADDR")
+	if addr == "" {
+		addr = ":8080"
+	}
+	return Config{Addr: addr}
+}