Add field for opening_hours:drive_through=* (#999)

data/fields/opening_hours/drive_through.json

@@ -0,0 +1,12 @@
+{
+    "key": "opening_hours:drive_through",
+    "type": "combo",
+    "label": "Drive Through Hours",
+    "placeholder": "Same as regular business hours",
+    "prerequisiteTag": {
+        "key": "drive_through",
+        "value": "yes"
+    },
+    "snake_case": false,
+    "caseSensitive": true
+}