Add mtk-genio SSH key and update config

ssh/config

@@ -136,4 +136,8 @@ Host frp-us-la
     HostName 112.31.107.190
     User root
     Port 7012
-    IdentityFile  ~/.flinty/ssh/us-la.pub
+    IdentityFile  ~/.flinty/ssh/us-la.pub
+
+Host mtk-genio
+    HostName 172.16.48.130
+    User ubuntu

ssh/mtk-genio.pub

@@ -0,0 +1 @@
+ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIBp2FjMNbIYkvUuxFhNdkUAJ2whs8ZFSvUa0C97SXead