runtime(colors): update included colorschemes

runtime(colors): update included colorschemes

- Add PmenuMatch and PmenuMatchSel to all colorschemes
- Add contrast to habamax Type, String, Constant and PreProc
- Change habamax PmenuSel to neutral gray to make PmenuMatchSel more visible
- Change habamax Tabline and VertSplit
- Make Conceal less visible for zellner, torte, shine, ron, peachpuff,
  pablo, morning, koehler, evening, delek, blue, darkblue, lunaperche,
  retrobox
- Add Added/Changed/Removed highlights
- Fix retrobox Terminal background
- Other minor fixes and improvements

closes: #15267

Signed-off-by: Maxim Kim <habamax@gmail.com>
Signed-off-by: Christian Brabandt <cb@256bit.org>