Added maverick user guide link

Author: zyndagj

docs/05.container_gpu.md

@@ -19,7 +19,7 @@ You can register your app to ANY system at TACC, but Maverick may not always be
 | Lonestar 5 | 24         | Compute, GPUs, Large-mem | UT only, slow external network                              |
 | Wrangler   | 24         | SSD Filesystem for fast I/O, Hosted Databases, Hadoop, HDFS | Low node-count           |
 | Jetstream  | 24         | Long running instances, root access       | Limited storage                            |
-| Maverick   | 20         | GPUs, high memory nodes                   | Deprecated software stack                 |
+| [Maverick](https://portal.tacc.utexas.edu/user-guides/maverick)   | 20         | GPUs, high memory nodes                   | Deprecated software stack                 |
 | Chameleon  | Variable   | GPUs, bare metal VM, software defined networking | Difficult to configure              |
 | Catapult   | 16         | FPGAs                                     | Windows-only                               |