refactor: client-side optimizations + lazy-loading

client/js/store/modules/modal-create-user.js

@@ -0,0 +1,15 @@
+'use strict'
+
+export default {
+  state: {
+    shown: false
+  },
+  getters: {},
+  mutations: {
+    shownChange: (state, shownState) => { state.shown = shownState }
+  },
+  actions: {
+    adminUsersCreateOpen({ commit }) { commit('shownChange', true) },
+    adminUsersCreateClose({ commit }) { commit('shownChange', false) }
+  }
+}