BOD-34 Basics of print center => redux setup, container/base component.

client/templates/appointment_reminder/appointment_reminder.query.gql

@@ -0,0 +1,11 @@
+query EMAIL_APPOINTMENT_CONFIRMATION($id: uuid!) {
+  appointments_by_pk(id: $id) {
+    start
+    title
+    job {
+      ownr_fn
+      ownr_ln
+      ownr_ea
+    }
+  }
+}