feat: admin dark mode

client/store/admin.js

@@ -0,0 +1,13 @@
+export default {
+  namespaced: true,
+  state: {
+    theme: {
+      dark: false
+    }
+  },
+  mutations: {
+    setThemeDarkMode(state, payload) {
+      state.theme.dark = payload
+    }
+  }
+}

client/store/index.js

@@ -5,6 +5,7 @@ import Vuex from 'vuex'
 Vue.use(Vuex)
 
 export default new Vuex.Store({
+  strict: process.env.NODE_ENV !== 'production',
   state: {
     loadingStack: [],
     notification: {