Creating a script, to easily chroot from a live cd

-   Mounting
Adding a script to reload sxhkd
Adding a cheat cheet for color escape-codes
Adding script to display the pressed function-key

With show-key it's easily possible to notify the user about the pressed
function-key, i.e.the user knows exactly when he muted or
unmuted the speakers.

Conventions for this script:
-   When the icon is named i.e "play-next.xbm" and stored in
    "~/.config/icons/xbm/", you display these icon with
    "./show-key play-next"
-   The dimensions of the xbm-icon must be 50x50
-   The icon for the pressed key must be located at ~/.config/icons/xbm/
    and must be converted/created in the xbm format.
Script to display the current volume
Adding the sxhkd-reload script as a function to my aliases
Adding a script to notify me when battery is low

If the laptop battery capacity is lower than 15% the script notifies the
user via notify-send, that the capacity is very low.
The script checks the capacity of the battery via inotify every 5
minutes (300s).
Cleaning the custom-launcher script
Removing detect-pid because of killall ;)
Removing print-wifi
Updating os-info

-   Show information about the current windowmanager
-   Use only the basename of the $SHELL environment variable
-   Use the pretty print version of uptime instead of a hacky/crappy grep/sed regex
Ditching crappy 'ls' in the random-wallpaper script
Adding show-key to toggle-music and toggle-touchpad
Rewriting the Notify-Low-Battery Script

The script I wrote before does not work, so I rewrote it.

Also it is in my opinion a little bit better, to use watch, then notify-wait. Because
instead of checking if the file was changed and check the /sys/class/BAT1/capacity
file for modifications every 5 minutes isn't as efficient as simply using watch to
check the battery status every 5 minutes.
Various changes