zsh input and typing handled uncorrected

check if terminfo is build correctly, especially with suckless/st, in this case, we can use sudo make install clean.

force using xterm-256color

if you want to use export TERM=xterm-256color in .zshrc instead of export TERM=xterm

ln -sf /usr/share/terminfo/x/xterm-color /usr/share/terminfo/x/xterm-256color
export TERM=xterm-256color