Added support for command mode for lightline.vim (joshdick#328)

Closes joshdick#328.

autoload/lightline/colorscheme/onedark.vim

@@ -9,6 +9,7 @@ if get(g:, 'onedark_termcolors', 256) == 16
   let s:term_red = s:colors.red.cterm16
   let s:term_green = s:colors.green.cterm16
   let s:term_yellow = s:colors.yellow.cterm16
+  let s:term_dark_yellow = s:colors.dark_yellow.cterm16
   let s:term_blue = s:colors.blue.cterm16
   let s:term_purple = s:colors.purple.cterm16
   let s:term_white = s:colors.white.cterm16
@@ -18,6 +19,7 @@ else
   let s:term_red = s:colors.red.cterm
   let s:term_green = s:colors.green.cterm
   let s:term_yellow = s:colors.yellow.cterm
+  let s:term_dark_yellow = s:colors.dark_yellow.cterm
   let s:term_blue = s:colors.blue.cterm
   let s:term_purple = s:colors.purple.cterm
   let s:term_white = s:colors.white.cterm
@@ -28,13 +30,14 @@ endif
 let s:red = [ s:colors.red.gui, s:term_red ]
 let s:green = [ s:colors.green.gui, s:term_green ]
 let s:yellow = [ s:colors.yellow.gui, s:term_yellow ]
+let s:dark_yellow = [ s:colors.dark_yellow.gui, s:term_dark_yellow ]
 let s:blue = [ s:colors.blue.gui, s:term_blue ]
 let s:purple = [ s:colors.purple.gui, s:term_purple ]
 let s:white = [ s:colors.white.gui, s:term_white ]
 let s:cursor_grey = [ s:colors.cursor_grey.gui, s:term_cursor_grey ]
 let s:visual_grey = [ s:colors.visual_grey.gui, s:term_visual_grey ]
 
-let s:p = {'normal': {}, 'inactive': {}, 'insert': {}, 'replace': {}, 'visual': {}, 'tabline': {}}
+let s:p = {'normal': {}, 'inactive': {}, 'insert': {}, 'replace': {}, 'visual': {}, 'tabline': {}, 'command': {}}
 let s:p.normal.left = [ [ s:cursor_grey, s:green ], [ s:white, s:visual_grey ] ]
 let s:p.normal.right = [ [ s:cursor_grey, s:green ], [ s:white, s:visual_grey ] ]
 let s:p.inactive.left =  [ [ s:white, s:visual_grey ], [ s:white, s:visual_grey ] ]
@@ -53,6 +56,8 @@ let s:p.tabline.middle = [ [ s:white, s:cursor_grey ] ]
 let s:p.tabline.right = [ [ s:white, s:visual_grey ] ]
 let s:p.normal.error = [ [ s:cursor_grey, s:red ] ]
 let s:p.normal.warning = [ [ s:cursor_grey, s:yellow ] ]
+let s:p.command.left = [ [ s:cursor_grey, s:dark_yellow ], [ s:white, s:visual_grey ] ]
+let s:p.command.right = [ [ s:cursor_grey, s:dark_yellow ], [ s:white, s:visual_grey ] ]
 
 let g:lightline#colorscheme#onedark#palette = lightline#colorscheme#flatten(s:p)