Added missing functionality that was implemented in prior vimrc file.

Primary help for CTRL-P VIM-AIRPLANE, and RAINBOW_PARENTHESE

vim/vimrc.d/plugins.vim

@@ -69,4 +69,57 @@ for fpath in split(globpath('~/.vim/plug.d/', '*.vim'), '\n')
   exe 'source' fpath
 endfor
 
+" CTRL-P
+  let g:ctrlp_cmd = 'CtrlPMixed'
+  let g:ctrlp_working_path_mode = 'ra'
+  if executable('ag')
+    let g:ctrlp_user_command = 'ag -Q -l --nocolor --hidden -g "" %s'
+  endif
+
+" VIM-AIRPLAINE
+  let g:airline_powerline_fonts = 1
+  if !exists('g:airline_symbols')
+    let g:airline_symbols = {}
+  endif
+  let g:airline_left_sep = '⮀'
+  let g:airline_right_sep = '⮂'
+  let g:airline_right_alt_sep = '⮃'
+  let g:airline_left_alt_sep = '⮁'
+  let g:airline_symbols.branch = '⭠'
+  let g:airline_symbols.linenr= '⭡'
+  let g:airline_symbols.readonly= '⭤'
+  let g:airline#extensions#tabline#enabled = 1
+  let g:airline#extensions#tabline#left_sep = ' '
+  let g:airline#extensions#tabline#left_alt_sep = '|'
+  let g:airline_theme = 'powerlineish'
+  set laststatus=2
+  set ttimeoutlen=50
+
+" RAINBOW_PARENTHESE
+  let g:rbpt_colorpairs = [
+      \ ['brown',       'RoyalBlue3'],
+      \ ['Darkblue',    'SeaGreen3'],
+      \ ['darkgray',    'DarkOrchid3'],
+      \ ['darkgreen',   'firebrick3'],
+      \ ['darkcyan',    'RoyalBlue3'],
+      \ ['darkred',     'SeaGreen3'],
+      \ ['darkmagenta', 'DarkOrchid3'],
+      \ ['brown',       'firebrick3'],
+      \ ['gray',        'RoyalBlue3'],
+      \ ['black',       'SeaGreen3'],
+      \ ['darkmagenta', 'DarkOrchid3'],
+      \ ['Darkblue',    'firebrick3'],
+      \ ['darkgreen',   'RoyalBlue3'],
+      \ ['darkcyan',    'SeaGreen3'],
+      \ ['darkred',     'DarkOrchid3'],
+      \ ['red',         'firebrick3'],
+      \ ]
+  let g:rbpt_max = 16
+  au VimEnter * RainbowParenthesesToggle
+  au Syntax * RainbowParenthesesLoadRound
+  au Syntax * RainbowParenthesesLoadSquare
+  au Syntax * RainbowParenthesesLoadBraces
+
+
+
 call plug#end()