added save session to leader key

keys/which-key.vim

@@ -28,13 +28,14 @@ let g:which_key_map['/'] = [ '<Plug>NERDCommenterToggle'  , 'comment' ]
 let g:which_key_map['.'] = [ ':e $MYVIMRC'                , 'open init' ]
 let g:which_key_map[';'] = [ ':Commands'                  , 'commands' ]
 let g:which_key_map['='] = [ '<C-W>='                     , 'balance windows' ]
+let g:which_key_map[','] = [ 'Startify'                   , 'start screen' ]
 let g:which_key_map['d'] = [ ':bd'                        , 'delete buffer']
 let g:which_key_map['e'] = [ ':CocCommand explorer'       , 'explorer' ]
 let g:which_key_map['f'] = [ ':Files'                     , 'search files' ]
 let g:which_key_map['h'] = [ '<C-W>s'                     , 'split below']
 let g:which_key_map['q'] = [ 'q'                          , 'quit' ]
-let g:which_key_map['r'] = [ ':RnvimrToggle'                    , 'ranger' ]
-let g:which_key_map['S'] = [ ':Startify'                  , 'start screen' ]
+let g:which_key_map['r'] = [ ':RnvimrToggle'              , 'ranger' ]
+let g:which_key_map['S'] = [ ':SSave'                     , 'save session' ]
 let g:which_key_map['T'] = [ ':Rg'                        , 'search text' ]
 let g:which_key_map['v'] = [ '<C-W>v'                     , 'split right']
 let g:which_key_map['w'] = [ 'w'                          , 'write' ]