Fix layer load func

autoload/SpaceVim/layers.vim

@@ -5,10 +5,15 @@
 
 ""
 " Load the {layer} you want. For all the layers SpaceVim supports, see @section(layers).
-function! SpaceVim#layers#load(layer) abort
+function! SpaceVim#layers#load(layer, ...) abort
   if index(g:spacevim_plugin_groups, a:layer) == -1
     call add(g:spacevim_plugin_groups, a:layer)
   endif
+  if a:0 > 1
+    for l in a:000
+      call SpaceVim#layers#load(l)
+    endfor
+  endif
 endfunction
 
 " vim:set et sw=2:

autoload/SpaceVim/logger.vim

@@ -84,6 +84,7 @@ function! SpaceVim#logger#viewLog(...) abort
       normal! "_dd
       setl nomodifiable
       setl buftype=nofile
+      setl filetype=markdown
     else
       return info
     endif