feat(sdk-client-v3): pass custom headers to requests

- pass custom headers to request headers

Author: ajimae

packages/sdk-client-v3/src/types/types.d.ts

@@ -305,6 +305,7 @@ export type IClientOptions = {
   retryConfig?: RetryOptions
   maskSensitiveHeaderData?: boolean
   httpClientOptions?: object
+  request: MiddlewareRequest
 }
 
 export type HttpClientOptions = IClientOptions & Optional

packages/sdk-client-v3/src/utils/executor.ts

@@ -57,7 +57,7 @@ export default async function executor(request: HttpClientConfig) {
           ...options,
           ...rest,
           headers: {
-            ...rest.headers,
+            ...Object.assign({}, rest.headers, rest.request?.headers ?? {}),
           },
 
           // for axios