start setting up auth handler

internal/handler/auth.go

@@ -0,0 +1,15 @@
+package handler
+
+import "net/http"
+
+type authHandler struct {
+}
+
+func NewAuthHandler() *authHandler {
+	return &authHandler{}
+}
+
+func (h *authHandler) AuthPage(w http.ResponseWriter, r *http.Request) {
+	w.WriteHeader(http.StatusOK)
+	w.Write([]byte("200 OK"))
+}