[APP] Slack - Ability to post in canvas

**Name of app / service**

Slack - Ability to post into slack canvas using an API Call

**Link to developer documentation** - https://docs.slack.dev/reference/methods/canvases.create/

**Is lack of support preventing you from moving forward, or do you have a workaround?**

No, there is no workaround

**Are there specific actions or triggers, you'd like to see for this app? Please let us know here or use the Action and Trigger issue templates to open requests for each!**

Ability to post in specific canvas' within a slack channel through Pipedream integration.