api: add API for themes

co-author: hlpr98 <hlpr98@gmail.com> (dict2hlattrs function)

orange is sus??

NOVEMBER DAWN

erase the lie that is redraw_later()

src/nvim/quickfix.c

@@ -3707,7 +3707,7 @@ static void qf_win_goto(win_T *win, linenr_T lnum)
   curwin->w_cursor.coladd = 0;
   curwin->w_curswant = 0;
   update_topline();              // scroll to show the line
-  redraw_later(VALID);
+  redraw_later(curwin, VALID);
   curwin->w_redr_status = true;  // update ruler
   curwin = old_curwin;
   curbuf = curwin->w_buffer;