fix: mark OCR loadNativeModule methods as async

The `await` keyword was used in loadNativeModule without the method
being marked async, causing a Babel parse error (UnexpectedReservedWord).

Author: yocontra

packages/react-native-executorch/src/controllers/BaseOCRController.ts

@@ -30,7 +30,7 @@ export abstract class BaseOCRController {
     recognizerPath: string,
     language: OCRLanguage,
     extraParams?: any
-  ): any;
+  ): Promise<any>;
 
   protected internalLoad = async (
     detectorSource: ResourceSource,
@@ -63,7 +63,7 @@ export abstract class BaseOCRController {
           'The download has been interrupted. As a result, not every file was downloaded. Please retry the download.'
         );
       }
-      this.nativeModule = this.loadNativeModule(
+      this.nativeModule = await this.loadNativeModule(
         paths[0]!,
         paths[1]!,
         language,

packages/react-native-executorch/src/controllers/OCRController.ts

@@ -4,11 +4,11 @@ import { OCRLanguage } from '../types/ocr';
 import { BaseOCRController } from './BaseOCRController';
 
 export class OCRController extends BaseOCRController {
-  protected loadNativeModule(
+  protected async loadNativeModule(
     detectorPath: string,
     recognizerPath: string,
     language: OCRLanguage
-  ): any {
+  ): Promise<any> {
     return await global.loadOCR(detectorPath, recognizerPath, symbols[language]);
   }
 

packages/react-native-executorch/src/controllers/VerticalOCRController.ts

@@ -4,12 +4,12 @@ import { OCRLanguage } from '../types/ocr';
 import { BaseOCRController } from './BaseOCRController';
 
 export class VerticalOCRController extends BaseOCRController {
-  protected loadNativeModule(
+  protected async loadNativeModule(
     detectorPath: string,
     recognizerPath: string,
     language: OCRLanguage,
     independentCharacters?: boolean
-  ): any {
+  ): Promise<any> {
     return await global.loadVerticalOCR(
       detectorPath,
       recognizerPath,