Feature: arcane service widget (#6274)

Co-authored-by: shamoon <4887959+shamoon@users.noreply.github.com>

docs/widgets/services/arcane.md

@@ -0,0 +1,18 @@
+---
+title: Arcane
+description: Arcane Widget Configuration
+---
+
+Learn more about [Arcane](https://github.com/getarcaneapp/arcane).
+
+**Allowed fields** (max 4): `running`, `stopped`, `total`, `images`, `images_used`, `images_unused`, `image_updates`.
+**Default fields**: `running`, `stopped`, `total`, `image_updates`.
+
+```yaml
+widget:
+  type: arcane
+  url: http://localhost:3552
+  env: 0 # required, 0 is Arcane default local environment
+  key: your-api-key
+  fields: ["running", "stopped", "total", "image_updates"] # optional
+```

docs/widgets/services/index.md

@@ -9,6 +9,7 @@ You can also find a list of all available service widgets in the sidebar navigat
 
 - [Adguard Home](adguard-home.md)
 - [APC UPS](apcups.md)
+- [Arcane](arcane.md)
 - [ArgoCD](argocd.md)
 - [Atsumeru](atsumeru.md)
 - [Audiobookshelf](audiobookshelf.md)