Add warning about bare metal instance billing (#52)

Author: jacobtomlinson

source/cloud/ibm/index.md

@@ -11,11 +11,15 @@ single-node
 RAPIDS can be deployed on IBM Cloud in several ways. See the
 list of accelerated instance types below:
 
-| Cloud <br> Provider | Inst. <br> Type     | vCPUs | Inst. <br> Name    | GPU <br> Count | GPU <br> Type | xGPU <br> RAM | xGPU <br> RAM Total |
-| :------------------ | ------------------- | ----- | ------------------ | -------------- | ------------- | ------------- | ------------------: |
-| IBM                 | V100 GPU Virtual    | 8     | gx2-8x64x1v100     | 1              | NVIDIA Tesla  | 16 (GB)       |             64 (GB) |
-| IBM                 | V100 GPU Virtual    | 16    | gx2-16x128x1v100   | 1              | NVIDIA Tesla  | 16 (GB)       |            128 (GB) |
-| IBM                 | V100 GPU Virtual    | 16    | gx2-16x128x2v100   | 2              | NVIDIA Tesla  | 16 (GB)       |            128 (GB) |
-| IBM                 | V100 GPU Virtual    | 32    | gx2-32x256x2v100   | 2              | NVIDIA Tesla  | 16 (GB)       |            256 (GB) |
-| IBM                 | P100 GPU Bare Metal | 32    | mg4c.32x384.2xp100 | 2              | NVIDIA Tesla  | 16 (GB)       |            384 (GB) |
-| IBM                 | V100 GPU Bare Metal | 48    | mg4c.48x384.2xv100 | 2              | NVIDIA Tesla  | 16 (GB)       |            384 (GB) |
+| Cloud <br> Provider | Inst. <br> Type       | vCPUs | Inst. <br> Name    | GPU <br> Count | GPU <br> Type | xGPU <br> RAM | xGPU <br> RAM Total |
+| :------------------ | --------------------- | ----- | ------------------ | -------------- | ------------- | ------------- | ------------------: |
+| IBM                 | V100 GPU Virtual      | 8     | gx2-8x64x1v100     | 1              | NVIDIA Tesla  | 16 (GB)       |             64 (GB) |
+| IBM                 | V100 GPU Virtual      | 16    | gx2-16x128x1v100   | 1              | NVIDIA Tesla  | 16 (GB)       |            128 (GB) |
+| IBM                 | V100 GPU Virtual      | 16    | gx2-16x128x2v100   | 2              | NVIDIA Tesla  | 16 (GB)       |            128 (GB) |
+| IBM                 | V100 GPU Virtual      | 32    | gx2-32x256x2v100   | 2              | NVIDIA Tesla  | 16 (GB)       |            256 (GB) |
+| IBM                 | P100 GPU Bare Metal\* | 32    | mg4c.32x384.2xp100 | 2              | NVIDIA Tesla  | 16 (GB)       |            384 (GB) |
+| IBM                 | V100 GPU Bare Metal\* | 48    | mg4c.48x384.2xv100 | 2              | NVIDIA Tesla  | 16 (GB)       |            384 (GB) |
+
+```{warning}
+*Bare Metal instances are billed in monthly intervals rather than hourly intervals.
+```