Update README.md

README.md

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 # GitHub Actions for [Calibre](https://calibreapp.com)
 
-Calibre’s GitHub actions wrap our powerful [command line interface](https://calibreapp.com/cli) ([source](https://github.com/calibreapp/cli)) so that you can quickly and effortlessly add Calibre to your GitHub workflows.
+## Project deprecation
 
-That means that any command from CLI can be run using actions!
+`github-actions` has been deprecated in favour of using Calibre's Command-line interface (CLI) directly:
 
-## Usage example
-
-This example will create a snapshot for a given website that Calibre is tracking. It'll filter out non-master branch pushes. (Likely, your production environment).
-
-```workflow
-name: Create Snapshot
-on:
-  pull_request:
-
-jobs:
-  build:
-    name: calibreapp/github-actions
-    runs-on: ubuntu-latest
-    steps:
-      - name: Create Snapshot
-        uses: calibreapp/github-actions@main
-        env:
-          CALIBRE_API_TOKEN: ${{ secrets.CALIBRE_API_TOKEN }}
-        with:
-          command: site create-snapshot --site=${{ secrets.CALIBRE_SITE_SLUG }}
-      - name: Get result
-        run: echo "${{steps.set-result.outputs.result}}"
-```
-
-Inputs:
-
-- `command` The Calibre CLI command to run e.g. `create snapshot --site=${{ secrets.CALIBRE_SITE_SLUG }}
-
-Secrets:
-
-- `CALIBRE_API_TOKEN` is required. Generate a token in Calibre with the required scopes.
-- `CALIBRE_SITE_SLUG` is optional, but required for many site based commands.
-
-References:
-
-- [Repo](https://github.com/calibreapp/github-actions)
-- [Calibre CLI](https://calibreapp.com/cli)
-- [CLI Source](https://github.com/calibreapp/cli)
+- [Command-line Interface documentation](https://calibreapp.com/docs/automation/cli)
+- [CI/CD documentation](https://calibreapp.com/docs/integrations/ci-cd)