Update MegaMenu Application Customizer: Version bump to 1.1.0, localization support added, and unnecessary files removed

- Deleted obsolete localization file for English (en-us).
- Updated version number from 1.0.4 to 1.1.0 in manifests.js and manifests.json.
- Added localization support for German (de-de) in a new localization file.
- Removed unnecessary dependencies from manifests.
- Added .gitignore to exclude build artifacts and temporary files.

lib/services/SPTermStorePickerService.d.ts

@@ -8,12 +8,13 @@ import { ApplicationCustomizerContext } from '@microsoft/sp-application-base';
 export default class SPTermStorePickerService {
     private props;
     private context;
+    private debug;
     private clientServiceUrl;
     private suggestionServiceUrl;
     /**
      * Service constructor
      */
-    constructor(props: ISPTermStorePickerServiceProps, context: ApplicationCustomizerContext);
+    constructor(props: ISPTermStorePickerServiceProps, context: ApplicationCustomizerContext, debug?: boolean);
     getTermLabels(termId: string): Promise<string[]>;
     /**
      * Gets the collection of term stores in the current SharePoint env
@@ -27,7 +28,7 @@ export default class SPTermStorePickerService {
      * Retrieve all terms for the given term set
      * @param termset
      */
-    getAllTerms(termset: string, hideDeprecatedTags?: boolean, hideTagsNotAvailableForTagging?: boolean, useSessionStorage?: boolean): Promise<ITermSet>;
+    getAllTerms(termset: string, hideDeprecatedTags?: boolean, hideTagsNotAvailableForTagging?: boolean, useSessionStorage?: boolean, cacheMinutes?: number): Promise<ITermSet>;
     /**
      * Retrieve all terms that starts with the searchText
      * @param searchText
@@ -49,7 +50,10 @@ export default class SPTermStorePickerService {
       * @param termset
       */
     private getTermSetId(termstore, termsetName);
-    private getTermsById(termId, useSessionStorage?);
+    private getCachedTermSet(termId, useSessionStorage?);
+    private getCachedPickerTerms(termId, useSessionStorage?);
+    private normalizeCacheMinutes(value);
+    private ensureSuccessfulResponse(response, operation);
     private searchTermsBySearchText(terms, searchText);
     /**
        * Searches terms for the given term set