Allow $schema in external translation bundles (#151)

Author: AlexeyMz

i18n/i18n.reactodia-translation.d.ts

@@ -1,4 +1,6 @@
 declare module '*.reactodia-translation.json' {
-    const value: Record<string, Record<string, string>>;
+    const value: {
+        [group: string]: Record<string, string> | string;
+    };
     export default value;
 }

package.json

@@ -1,6 +1,6 @@
 {
   "name": "@reactodia/workspace",
-  "version": "0.34.0",
+  "version": "0.34.0-next",
   "description": "Reactodia Workspace -- library for visual interaction with graphs in a form of a diagram.",
   "repository": {
     "type": "git",

src/coreUtils/i18n.tsx

@@ -8,7 +8,7 @@ import type * as Rdf from '../data/rdf/rdfModel';
 
 import DefaultTranslationBundle from '../../i18n/translations/en.reactodia-translation.json';
 
-type DefaultBundleData = Omit<typeof DefaultTranslationBundle, '$schema'>;
+type DefaultBundleData = typeof DefaultTranslationBundle;
 
 /**
  * Translation strings bundle (content).
@@ -197,7 +197,7 @@ type TranslationPartial<T> = {
     [K in keyof T]?: Partial<T[K]>;
 };
 
-type TranslationKeyOf<T> = DeepPath<T>;
+type TranslationKeyOf<T> = DeepPath<Omit<T, '$schema'>>;
 
 type DeepPath<T> = T extends object ? (
     {