Add example settings file

settings.py.example

@@ -0,0 +1,15 @@
+UFP_USERNAME = 'admin'
+UFP_PASSWORD = 'password'
+UFP_ADDRESS = '192.168.whatever'
+UFP_PORT = 443
+
+DOORBELLS = {
+    '123456780ABC': {
+        name: 'Front Door',
+        gpio: 26,
+    },
+    '123456780ABC': {
+        name: 'Side Door',
+        gpio: 19,
+    },
+}