fix(i18n): add local fallback for i18next + backend and configure CDN fallback in loader.js

Author: ac-mmi

js/loader.js

@@ -28,8 +28,14 @@ requirejs.config({
         samples: "../sounds/samples",
         planet: "../js/planet",
         tonejsMidi: "../node_modules/@tonejs/midi/dist/Midi",
-        i18next: "https://cdn.jsdelivr.net/npm/[email protected]/dist/umd/i18next.min",
-        i18nextHttpBackend: "https://cdn.jsdelivr.net/npm/[email protected]/i18nextHttpBackend.min"
+        i18next: [
+            "../lib/i18next.min",
+            "https://cdn.jsdelivr.net/npm/[email protected]/dist/umd/i18next.min"
+        ],
+        i18nextHttpBackend: [
+            "../lib/i18nextHttpBackend.min",
+            "https://cdn.jsdelivr.net/npm/[email protected]/i18nextHttpBackend.min"
+        ]
     },
     packages: []
 });