Restructure LightbarServer; implement LightbarController

src/lightbar/endpoints/rest_api.py

@@ -0,0 +1,17 @@
+import uasyncio
+from microdot_asyncio import Microdot
+
+rest_api = Microdot()
+
+
+# TODO -- all of these responses aren't REST yet
+@rest_api.post('/shutdown')
+async def shutdown(request):
+    uasyncio.create_task(request.app.scheduled_shutdown())
+    return 'Shutting down!\n'
+
+
+@rest_api.post('/reboot')
+async def reboot(request):
+    uasyncio.create_task(request.app.scheduled_reboot())
+    return 'Rebooting now!\n'