Feature/english (#381)

* perf[navbar]: set langSelect to component && refine errorLog component

* feat[login]:add 18n to login form

* fix[pagination]: fixed when selected page-sizes

* perf[i18n]:dashboard document svg permission

* perf[charts]: perf effect

* perf[i18n]:excel && zip

* perf[i18n]: table && errorLog && theme

* perf[i18n]: components

* perf[i18n]: direct use $t

* perf[i18n]: complex-table

* update README.md

* update README.md 📘

* perf[i18n]: refine code comments

src/utils/i18n.js

@@ -1,4 +1,4 @@
-// translate router.meta.title , be used in breadcrumb sidebar tagsview
+// translate router.meta.title, be used in breadcrumb sidebar tagsview
 export function generateTitle(title) {
-  return this.$t('route.' + title) // $t :this method from vue-i18n ,inject in @/lang/index.js
+  return this.$t('route.' + title) // $t :this method from vue-i18n, inject in @/lang/index.js
 }