* optimiz: eye icon style for login form

* change eye-open svg

* refactor svg

* add svgo

* refine

* add tree.svg

* add svg.yml

Detail see #438

* 完善input背景和光标色;

1.完善在Chrome浏览器时登陆界面的input标签 使用记住密码之后颜色和背景不一致;
2.目前的rgb值是 #2d3a4b  修改的rgb值是 #283443;
3.修复光标使用Chrome记录的账号之后变黑色;
4.移除 .title-container .title 重复的font-weight: 400;
5.不用IE我们大家都是好朋友！~

* Update index.vue

* 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