feat: Implement Call Rejection + Introduction of Socket API (#1882)

* Initial stage

* ESLint

* eslint is annoying

* fix: distinguish Wap from Socket's Wap

src/structures/Call.js

@@ -62,7 +62,15 @@ class Call extends Base {
         
         return super._patch(data);
     }
-    
+
+    /**
+     * Reject the call
+    */
+    async reject() {
+        return this.client.pupPage.evaluate((peerJid, id) => {
+            return window.WWebJS.rejectCall(peerJid, id);
+        }, this.from, this.id);
+    }
 }
 
 module.exports = Call;