feat: Overseerr to Jellyseerr migration (#2019)

* feat: add Overseerr migration

* refactor: rename to Seerr

* refactor: more rename to Seerr

* feat: update the value of the MediaStatus.DELETED enum

* fix: add more details in migration logs

* fix: replace .update by .save for TypeORM hooks

* fix: add fake migration to skip the duplicated UpdateWebPush migration

* fix: rewrite the AddUserAvatarCacheFields migration for Overseerr merge

* fix: replace jellyseerr migrations with a dedicated one for overseerr

* fix: update overseerr migration

* fix: update overseerr migration

* fix: remove irrelevant changes

* fix: typos

* docs: update jsdoc comment

* docs: update seerr description

* docs: fix the contributing.md link

* fix: remove unwanterd change on postgres dev datasource

* docs: add latest tag to docker image

* fix: migrate old deleted status for 4k media

* fix: update Seerr version check

docs/using-seerr/plex/index.md

@@ -0,0 +1,36 @@
+---
+title: Overview
+description: Learn about Seerr's Plex integration features
+sidebar_position: 1
+---
+
+# Plex Features Overview
+
+Seerr provides integration features that connect with your Plex media server to automate media management tasks.
+
+## Available Features
+
+- [Watchlist Auto Request](./plex/watchlist-auto-request) - Automatically request media from your Plex Watchlist
+- More features coming soon!
+
+## Prerequisites
+
+:::info Authentication Required
+To use any Plex integration features, you must have logged into Seerr at least once with your Plex account.
+:::
+
+**Requirements:**
+- Plex account with access to the configured Plex server
+- Seerr configured with Plex as the media server
+- User authentication via Plex login
+- Appropriate user permissions for specific features
+
+## Getting Started
+
+1. Authenticate at least once using your Plex credentials
+2. Verify you have the necessary permissions for desired features
+3. Follow individual feature guides for setup instructions
+
+:::note Server Configuration
+Plex server configuration is handled by your administrator. If you cannot log in with your Plex account, contact your administrator to verify the server setup.
+:::