add mbtc to movement (#725)

Author: mariobern

pages/price-feeds/sponsored-feeds/movement.mdx

@@ -28,3 +28,4 @@ Update Parameters: **1 hour heartbeat or 1% price deviation**
 | WEETH/ETH.RR    | 343558e79f587e098c321218ecb34d031ba709ab3e84133126f3c98511b91f64 |
 | EZETH/USD       | 06c217a791f5c4f988b36629af4cb88fad827b2485400a358f3b02886b54de92 |
 | RSETH/USD       | 0caec284d34d836ca325cf7b3256c078c597bc052fbd3c0283d52b581d68d71f |
+| MBTC/USD        | 6665073f5bc307b97e68654ff11f3d8875abd6181855814d23ab01b8085c0906 |