Feature: MySpeed widget (#3662)

---------

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

docs/widgets/services/myspeed.md

@@ -0,0 +1,15 @@
+---
+title: MySpeed
+description: MySpeed Widget Configuration
+---
+
+Learn more about [MySpeed](https://myspeed.dev/).
+
+Allowed fields: `["ping", "download", "upload"]`.
+
+```yaml
+widget:
+  type: myspeed
+  url: http://myspeed.host.or.ip:port
+  password: password # only required if password is set
+```