feat: add custom host names

src/Types/index.ts

@@ -55,6 +55,8 @@ export type SocketConfig = {
     mediaCache?: NodeCache
     /** map to store the retry counts for failed messages */
     msgRetryCounterMap?: { [msgId: string]: number }
+    /** custom domains to push media via */
+    customUploadHosts: string[]
     /** 
      * fetch a message from your store 
      * implement this so that messages failed to send (solves the "this message can take a while" issue) can be retried