feat(vim): add lus support

.SpaceVim.d/autoload/myspacevim.vim

@@ -1,10 +1,18 @@
-func! myspacevim#before() abort
+lua << EOF
+    local c = require('custom')
+    lcustom.init()
+EOF
+
+function! myspacevim#before() abort
     set wrap
     "设置折叠方式
     set foldmethod=indent
     " 打开文件默认不折叠
     set foldlevelstart=99
     let g:go_metalinter_autosave=0
+    let g:XkbSwitchEnabled = 1
+
+    "nnoremap <Space>k :<C-u>call gitblame#echo()<CR>
 
     "大括号回车
     "inoremap { {<CR>}<up><end><CR>
@@ -12,4 +20,4 @@ func! myspacevim#before() abort
     "inoremap , ,<Space>
     "等号左右空格
     "inoremap = <Space>=<Space>
-endf
+endfunction