Commands list for cornerstone extension

extensions/ohif-cornerstone-extension/README.md

@@ -1 +1,31 @@
 # @ohif/extension-cornerstone
+
+## Commands
+
+This extensions includes the following `Commands` and `Command Definitions`. These can be registered with `@ohif/core`'s `CommandManager`. After registering the commands, they can be bound to `hotkeys` using the `HotkeysManager` and listed in the `UserPreferences` modal.
+
+You can read more about [`Commands`](), [`Hotkeys`](), and the [`UserPreferences` Modal]() in their respective locations in the OHIF Viewer's documentation.
+
+| Command Name                 | Description | Store Contexts |
+| ---------------------------- | ----------- | -------------- |
+| `rotateViewportCW`           |             | viewports      |
+| `rotateViewportCCW`          |             | viewports      |
+| `invertViewport`             |             | viewports      |
+| `flipViewportVertical`       |             | viewports      |
+| `flipViewportHorizontal`     |             | viewports      |
+| `scaleUpViewport`            |             | viewports      |
+| `scaleDownViewport`          |             | viewports      |
+| `fitViewportToWindow`        |             | viewports      |
+| `resetViewport`              |             | viewports      |
+| clearAnnotations             | TODO        |                |
+| next/previous Image          | TODO        |                |
+| first/last Image             | TODO        |                |
+| `nextViewportDisplaySet`     |             | none           |
+| `previousViewportDisplaySet` |             | none           |
+
+<!--
+  Links
+  -->
+
+<!-- prettier-ignore-start -->
+<!-- prettier-ignore-end -->