Initialized proper project structure

internal/api/router/router.go

@@ -0,0 +1,22 @@
+package router
+
+import (
+	"net/http"
+
+	"github.com/robindittmar/dttmr-api/internal/api/handler"
+	"github.com/robindittmar/dttmr-api/internal/api/middleware"
+)
+
+type Config struct{}
+
+func NewMux(cfg Config) http.Handler {
+	mux := http.NewServeMux()
+
+	mux.HandleFunc("/", handler.DefaultHandler)
+	mux.HandleFunc("GET /health", handler.HealthHandler)
+
+	var httpHandler http.Handler = mux
+	httpHandler = middleware.WithTelemetry(httpHandler)
+
+	return httpHandler
+}