refactor: extract inline type definitions

src/core/Thing.ts

@@ -315,10 +315,15 @@ export interface SCThingTranslatableProperties {
   /**
    * Origin of the thing
    */
-  origin?: {
-    /**
-     * Translation of the name of the origin of the thing
-     */
-    name: string;
-  };
+  origin?: SCThingTranslatablePropertyOrigin;
+}
+
+/**
+ * Translatable property of an origin
+ */
+export interface SCThingTranslatablePropertyOrigin {
+  /**
+   * Translation of the name of the origin
+   */
+  name: string;
 }