feature: add global size option (#1024)

src/store/modules/app.js

@@ -7,7 +7,8 @@ const app = {
       withoutAnimation: false
     },
     device: 'desktop',
-    language: Cookies.get('language') || 'en'
+    language: Cookies.get('language') || 'en',
+    size: Cookies.get('size') || 'medium'
   },
   mutations: {
     TOGGLE_SIDEBAR: state => {
@@ -30,6 +31,10 @@ const app = {
     SET_LANGUAGE: (state, language) => {
       state.language = language
       Cookies.set('language', language)
+    },
+    SET_SIZE: (state, size) => {
+      state.size = size
+      Cookies.set('size', size)
     }
   },
   actions: {
@@ -44,6 +49,9 @@ const app = {
     },
     setLanguage({ commit }, language) {
       commit('SET_LANGUAGE', language)
+    },
+    setSize({ commit }, size) {
+      commit('SET_SIZE', size)
     }
   }
 }