Add missing ts fields

Author: tonybaloney

app/frontend/src/api/models.ts

@@ -37,6 +37,7 @@ export type ChatAppRequestOverrides = {
     gpt4v_input?: GPT4VInput;
     vector_fields: VectorFieldOptions[];
     language: string;
+    use_bing_search?: boolean;
 };
 
 export type ResponseMessage = {
@@ -85,6 +86,7 @@ export type Config = {
     showGPT4VOptions: boolean;
     showSemanticRankerOption: boolean;
     showVectorOption: boolean;
+    showBingSearchOption: boolean;
     showUserUpload: boolean;
     showLanguagePicker: boolean;
     showSpeechInput: boolean;

app/frontend/src/components/Settings/Settings.tsx

@@ -24,6 +24,7 @@ export interface SettingsProps {
     retrievalMode: RetrievalMode;
     useGPT4V: boolean;
     gpt4vInput: GPT4VInput;
+    useBingSearch: boolean;
     vectorFieldList: VectorFieldOptions[];
     showSemanticRankerOption: boolean;
     showGPT4VOptions: boolean;
@@ -40,6 +41,7 @@ export interface SettingsProps {
     promptTemplatePrefix?: string;
     promptTemplateSuffix?: string;
     showSuggestFollowupQuestions?: boolean;
+    showBingSearchOption: boolean;
 }
 
 export const Settings = ({