feat: add freescout app with new event trigger (#2287)

* added FreeScout plugin

* docs: add freescout in sidebar

* docs(freescout): add missing app icon

* refactor(freescout): rename filter as eventType

---------

Co-authored-by: Ali BARIN <ali.barin53@gmail.com>

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

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+# FreeScout
+
+:::info
+This page explains the steps you need to follow to set up the FreeScout
+connection in Automatisch. If any of the steps are outdated, please let us know!
+:::
+
+1. Go to your FreeScout instance.
+2. Go to the Manage > Settings > API & Webhooks page.
+3. Generate **API Key**.
+4. Copy the **API Key** value to the `API Key` field on Automatisch.
+5. Click **Submit** button on Automatisch.
+6. Congrats! Start using your new FreeScout connection within the flows.

packages/docs/pages/apps/freescout/triggers.md

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+---
+favicon: /favicons/freescout.svg
+items:
+  - name: New event
+    desc: Triggers when a new event is created. The supported events are conversation created, conversation assigned, conversation status updated, conversation moved, conversation deleted, conversation deleted forever, conversation restored from deleted folder, customer replied, agent replied, note added, customer created, customer updated.
+
+---
+
+<script setup>
+  import CustomListing from '../../components/CustomListing.vue'
+</script>
+
+<CustomListing />