Implement ShopperSearch SCAPI hook (#719)

* Implemented productSearch and searchSugesstions hooks

* Implement productSearch and searchSuggestions hooks

* Added route for search-suggestions in hooks test app

* Refactor shopperSearch hooks to use slas hooks callback for client

* Added unit tests for ShopperSearch SCAPI hooks

* Added unit tests for ShopperSearch hooks

* Fix lint errors

* Fix lint errors

* Added .gitattributes to mark mock-responses as generated

* Removed ts-ignore from ShopperProducts hook

* Remove vscode config files

* Mark individual mock-responses files as 'generated'

* Update folder path for mock-responses

* Remove redundant optional operator in ShopperSearch hook

* Remove redundant ? from search hooks

* FIx redundant ? in Search hooks

* Added return types for ShopperSearch hooks implementation signature

packages/commerce-sdk-react/src/hooks/ShopperSearch/query.ts

@@ -36,7 +36,7 @@ function useProductSearch(
 function useProductSearch(
     arg: UseProductSearchArg,
     options?: UseQueryOptions<DataType<Client['productSearch']> | Response, Error>
-) {
+): UseQueryResult<DataType<Client['productSearch']> | Response, Error> {
     const {headers, rawResponse, ...parameters} = arg
     return useAsync(
         ['productSearch', arg],
@@ -71,7 +71,7 @@ function useSearchSuggestions(
 function useSearchSuggestions(
     arg: UseSearchSuggestionsArg,
     options?: UseQueryOptions<DataType<Client['getSearchSuggestions']> | Response, Error>
-) {
+): UseQueryResult<DataType<Client['getSearchSuggestions']> | Response, Error> {
     const {headers, rawResponse, ...parameters} = arg
     return useAsync(
         ['search-suggestions', arg],