updated README (#24)

Co-authored-by: abe garcia <abraham_garcia-ortiz1@homedepot.com>

README.md

@@ -16,3 +16,22 @@ git push --tags
 3. Once it completes you can head over to the [gate-profile](https://github.com/one-thd/spin-operator-np-te-cd-tools/blob/main/deploy/spinnaker/np-te-cd-tools/base/profiles-gate.yml#L13) in [spin-operator-np-te-cd-tools](https://github.com/one-thd/spin-operator-np-te-cd-tool)
 and update the plugin version to your latest release. Commit your change to get a new version of spin-operator
 4. Run the [dev spinnaker pipeline](https://spinnaker.homedepot.com/#/applications/spin-operator/executions?pipeline=dev%20-%20spinnaker) with your operator version
+
+### Usage 
+The plugin will be available in the left-hand application menu
+
+![spinnaker menu](./assets/images/spinnaker-left-hand-menu.png)
+
+Once a pipeline is selected, the full view will be rendered showing executions and additional controls
+
+![observatory-main](./assets/images/observatory.png)
+
+The default view shows execution IDs, status, start time, and end time but additional fields can be displayed by selecting from the parameters dropdown. it's also possible to filter by both a date range and execution status to drill down and view only the desired executions.
+
+![filtered executions](./assets/images/filtered.png)
+
+**Pipeline Actions**
+
+This plugin allows you to select any number of the displayed executions and perform batch actions on the selections. It's possible to pause or cancel running executions, resume paused executions, or rerun completed executions.
+
+![execution actions](./assets/images/retrigger.png)