Add highlight of SpaceVimLayerManager buffer

autoload/SpaceVim/layers.vim

@@ -41,8 +41,16 @@ function! s:find_layers() abort
     if layer =~# pattern
       let name = layer[matchend(layer, pattern):-5]
       let status = index(g:spacevim_plugin_groups, substitute(name, '/', '#','g')) ? 'loaded' : 'not loaded'
-      let website = 'https://spacevim.org/layers/' . name
+      if filereadable(expand('~/.SpaceVim/docs/layers/' . name . '.md'))
-      call add(rst, name . repeat(' ', 25 - len(name)) . status . repeat(' ', 10) . website)
+        let website = 'https://spacevim.org/layers/' . name
+      else
+        let website = 'no exists'
+      endif
+      if status == 'loaded'
+        call add(rst, '+ ' . name . ':' . repeat(' ', 25 - len(name)) . status . repeat(' ', 10) . website)
+      else
+        call add(rst, '- ' . name . ':' . repeat(' ', 25 - len(name)) . status . repeat(' ', 10) . website)
+      endif
     endif
   endfor
   return rst

syntax/SpaceVimLayerManager.vim

@@ -0,0 +1,49 @@
+syntax clear
+syntax region plug1 start=/\%1l/ end=/\%2l/ contains=plugNumber
+syntax region plug2 start=/\%2l/ end=/\%3l/ contains=plugBracket,plugX
+syn match plugNumber /[0-9]\+[0-9.]*/ contained
+syn match plugBracket /[[\]]/ contained
+syn match plugX /x/ contained
+syn match plugDash /^-/
+syn match plugPlus /^+/
+syn match plugStar /^*/
+syn match plugMessage /\(^- \)\@<=.*/
+syn match plugName /\(^- \)\@<=[^ ]*:/
+syn match plugSha /\%(: \)\@<=[0-9a-f]\{4,}$/
+syn match plugTag /(tag: [^)]\+)/
+syn match plugInstall /\(^+ \)\@<=[^:]*/
+syn match plugUpdate /\(^* \)\@<=[^:]*/
+syn match plugCommit /^  \X*[0-9a-f]\{7,9} .*/ contains=plugRelDate,plugEdge,plugTag
+syn match plugEdge /^  \X\+$/
+syn match plugEdge /^  \X*/ contained nextgroup=plugSha
+syn match plugSha /[0-9a-f]\{7,9}/ contained
+syn match plugRelDate /([^)]*)$/ contained
+syn match plugNotLoaded /(not loaded)$/
+syn match plugError /^x.*/
+syn region plugDeleted start=/^\~ .*/ end=/^\ze\S/
+syn match plugH2 /^.*:\n-\+$/
+syn keyword Function PlugInstall PlugStatus PlugUpdate PlugClean
+hi def link plug1       Title
+hi def link plug2       Repeat
+hi def link plugH2      Type
+hi def link plugX       Exception
+hi def link plugBracket Structure
+hi def link plugNumber  Number
+
+hi def link plugDash    Special
+hi def link plugPlus    Constant
+hi def link plugStar    Boolean
+
+hi def link plugMessage Function
+hi def link plugName    Label
+hi def link plugInstall Function
+hi def link plugUpdate  Type
+
+hi def link plugError   Error
+hi def link plugDeleted Ignore
+hi def link plugRelDate Comment
+hi def link plugEdge    PreProc
+hi def link plugSha     Identifier
+hi def link plugTag     Constant
+
+hi def link plugNotLoaded Comment