add mkdocs

docs/widgets/services/octoprint.md

@@ -0,0 +1,13 @@
+---
+title: OctoPrint
+description: OctoPrintWidget Configuration
+---
+
+Allowed fields: `["printer_state", "temp_tool", "temp_bed", "job_completion"]`.
+
+```yaml
+widget:
+    type: octoprint
+    url: http://octoprint.host.or.ip:port
+    key: youroctoprintapikey
+```