gitconfig nice color updates, and new sig key

tmux.conf: tiny update

finally, delta is having a way to auto-detect dark/light mode

gitconfig: Polishing the config wrt gpg signatures

updates

updates

tmux.conf fixes & updates

zshrc: alias cat=bat

zshrc: minors

vim: noh to <A-.>

i3 config updates

gdbinit: update

zshrc updates

nvim: disable telescope, add colorizer.

coc-settings updates