extend config and rearrange some things

vim/.vim/advanced.vim

@@ -1,5 +1,16 @@
-set tw=72
+set tw=72         " text width for line-break
 set comments=s1:/mb:*,ex:*/,://,b:#,:%,:XCOMM,n:>,fb:-,fb:*
 set ai!           " auto indent
 set fo+=tcqn      " format options
 
+" delete lines until end
+nmap <C-d> dG1o
+map! <C-d> <ESC>dG1o
+
+" delete current line
+nmap <C-s> ddi
+map! <C-s> <ESC>ddi
+
+" add empty line
+nmap <C-a> 1o
+map! <C-a> <ESC>1o