.vimrc changes

- Theme: darkburn
- ASCII foldchars
- Changed keybinding for notes to `<leader>nn`
-

.vimrc

@@ -66,7 +66,7 @@ set omnifunc=syntaxcomplete#Complete
 " Personal Notes settings
 " export NOTES_DIR=<your notes directory> before use
 " Go to index of notes and set working directory
-nnoremap <leader>ww :e $NOTES_DIR/Index.md<CR>:cd $NOTES_DIR<CR>
+nnoremap <leader>nn :e $NOTES_DIR/Index.md<CR>:cd $NOTES_DIR<CR>
 
 " <leader>[ to grep inside Notes files
 " I got the idea from here [step 6: search contents of your notes](https://www.edwinwenink.xyz/posts/42-vim_notetaking/#step-6-search-contents-of-your-notes)
@@ -186,14 +186,15 @@ let g:fzf_action = {
 "colorscheme advantage
 "colorscheme industry
 "colorscheme industrial
-colorscheme jelleybeans
+"colorscheme jelleybeans
+colorscheme darkburn
 
 "     cursorcolumn
 hi cursorcolumn cterm=NONE ctermbg=black ctermfg=white
 "     visual mode colors
 hi visual cterm=NONE ctermbg=lightyellow ctermfg=black
 
-set fillchars=vert:│,fold:┈,diff:┈
+set fillchars=vert:\|,fold:.,diff:-
 " In split windows - active buffer status bar is green, inactive is yellow
 hi StatusLine   ctermfg=white ctermbg=darkgreen cterm=bold 
 hi StatusLineNC ctermfg=darkgray ctermbg=gray cterm=none