feat(todoist): add app, authentication, docs (#826)

packages/docs/pages/apps/todoist/actions.md

@@ -0,0 +1,14 @@
+---
+favicon: /favicons/todoist.svg
+items:
+  - name: Get Tasks
+    desc: Finds tasks in Todoist, optionally matching specified parameters.
+  - name: Create Task
+    desc: Creates a task in Todoist.
+---
+
+<script setup>
+  import CustomListing from '../../components/CustomListing.vue'
+</script>
+
+<CustomListing />

packages/docs/pages/apps/todoist/connection.md

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+# Todoist
+
+:::info
+This page explains the steps you need to follow to set up the Todoist connection in Automatisch. If any of the steps are outdated, please let us know!
+:::
+
+1. Go to the account [Integrations page](https://todoist.com/app/settings/integrations/developer) to copy your **API token**.
+1. Paste the **API token** value into Automatisch.
+1. Enter a memorable name for your connection in the **Screen Name** field.
+1. Click the **Submit** button on Automatisch.