Add aliases for xclip

dotfiles/bash/main.bashrc

 alias grepr='grep -nr . --exclude-dir=".git" -e '
 alias sc='se --direction=encz.cz'
 alias lsblk='lsblk -o +UUID,LABEL'
+alias xi='xclip -i'
+alias xo='xclip -o'
 
 RV_TMP="/tmp/bash-rv"
 mkdir -p "$RV_TMP"