Change awesome look, Add tab and clipboard support

Signed-off-by: apporc <appleorchard2000@gmail.com>
Add irssi configuration

Signed-off-by: apporc <appleorchard2000@gmail.com>
Use leader+t to open vimshell, avoid conficting with uxvrt+tab

Signed-off-by: apporc <appleorchard2000@gmail.com>
Add arch packages history

Signed-off-by: apporc <appleorchard2000@gmail.com>