Add basic auth and fix repair issues

internal/handlers/options.go

@@ -0,0 +1,13 @@
+package handlers
+
+import "net/http"
+
+func (hs *Handlers) options(next http.Handler) http.Handler {
+	return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+		if r.Method == "OPTIONS" {
+			w.WriteHeader(http.StatusOK)
+			return
+		}
+		next.ServeHTTP(w, r)
+	})
+}