Add "fromMe" option to fetchMessages (#1444)

index.d.ts

@@ -1062,6 +1062,10 @@ declare namespace WAWebJS {
          * Set this to Infinity to load all messages.
          */
         limit?: number
+        /**
+        * Return only messages from the bot number or vise versa. To get all messages, leave the option undefined.
+        */
+        fromMe?: boolean
     }
 
     /**