Update CATALOG.md

Author: jennyps

CATALOG.md

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+# Plugin Catalog
+
+## Stable Plugins
+
+| Plugin                                       | Description                | Tags                              |
+| -------------------------------------------- | -------------------------- | --------------------------------- |
+| [Deploy Helm](stable/helm/README.md)         | Deploy a Helm chart        | `kubernetes` `helm`               |
+| [Slack](stable/slack/README.md)              | Send message to slack      | `slack` `notify`                  |
+| [Deploy to ECS](stable/ecs-deploy/README.md) | Deploy docker image to ECS | `ecs` `deploy` `containers` `aws` |
+
+## Incubator Plugins
+
+| Plugin                                                           | Description                                                         | Tags                                                      |
+| ---------------------------------------------------------------- | ------------------------------------------------------------------- | --------------------------------------------------------- |
+| [Import Docker Images](incubator/import-docker-images/README.md) | Import Docker images metadata into Codefresh                        | `docker` `codefresh`                                      |
+| [Deploy Kompose](incubator/kompose/README.md)                    | Deploy Docker Compose to Kubernetes cluster with Kubernetes Kompose | `docker` `docker-compose` `kompose` `deploy` `kubernetes` |
+| [Run Jenkins Jobs](incubator/run-jenkins-jobs/README.md)         | Run jenkins job from codefresh pipeline                             | `jenkins` `job`                                           |