Mikrotik integration (#467)

Allow MikroTik routes as WireGuard backends

frontend/src/lang/translations/en.json

@@ -102,7 +102,9 @@
     },
     "interface": {
       "headline": "Interface status for",
-      "mode": "mode",
+      "backend": "Backend",
+      "unknown-backend": "Unknown",
+      "wrong-backend": "Invalid backend, using local WireGuard backend instead!",
       "key": "Public Key",
       "endpoint": "Public Endpoint",
       "port": "Listening Port",
@@ -357,6 +359,11 @@
         "client": "Client Mode",
         "any": "Unknown Mode"
       },
+      "backend": {
+        "label": "Interface Backend",
+        "invalid-label": "Original backend is no longer available, using local WireGuard backend instead!",
+        "local": "Local WireGuard Backend"
+      },
       "display-name": {
         "label": "Display Name",
         "placeholder": "The descriptive name for the interface"