feat(wm): add a splash screen for mdm devices

A little nudge for people to do the right thing, 1990s vibes.

mkdocs.yml

@@ -84,6 +84,7 @@ nav:
           - common-workflows/multi-monitor-setup.md
   - CLI reference:
       - cli/quickstart.md
+      - cli/license.md
       - cli/start.md
       - cli/stop.md
       - cli/kill.md
@@ -255,4 +256,4 @@ nav:
       - cli/static-config-schema.md
       - cli/generate-static-config.md
       - cli/enable-autostart.md
-      - cli/disable-autostart.md
+      - cli/disable-autostart.md