Documentation: Add firefly iii docs

Signed-off-by: Amjad Alsharafi <26300843+Amjad50@users.noreply.github.com>

docs/widgets/services/firefly.md

@@ -0,0 +1,17 @@
+---
+title: Firefly III
+description: Firefly III Widget Configuration
+---
+
+Learn more about [Firefly III](https://www.firefly-iii.org/).
+
+Find your API key under `Options > Profile > OAuth > Personal Access Tokens`.
+
+Allowed fields: `["networth" ,"budget"]`.
+
+```yaml
+widget:
+  type: firefly
+  url: https://firefly.host.or.ip
+  key: personalaccesstoken.personalaccesstoken.personalaccesstoken
+```

docs/widgets/services/index.md

@@ -33,6 +33,7 @@ You can also find a list of all available service widgets in the sidebar navigat
 - [ESPHome](esphome.md)
 - [EVCC](evcc.md)
 - [Fileflows](fileflows.md)
+- [Firefly III](firefly.md)
 - [Flood](flood.md)
 - [FreshRSS](freshrss.md)
 - [Frigate](frigate.md)

mkdocs.yml

@@ -56,6 +56,7 @@ nav:
           - widgets/services/esphome.md
           - widgets/services/evcc.md
           - widgets/services/fileflows.md
+          - widgets/services/firefly.md
           - widgets/services/flood.md
           - widgets/services/freshrss.md
           - widgets/services/frigate.md