Document bash files in system/

Signed-off-by: Severin Kaderli <severin.kaderli@gmail.com>

system/.aliases

@@ -1,20 +1,32 @@
 #!/bin/bash
+# 
+# SCRIPT NAME:
+# .aliases
 #
-# Author: Severin Kaderli <severin.kaderli@gmail.com>
+# AUTHOR:
+# Severin Kaderli <severin.kaderli@gmail.com>
+#
+# DESCRIPTION:
+# This script is used to define aliases for commands.
+#
+# USAGE:
+# This script is sourced by .bashrc
 
-# Shortcut for clear because I sometimes type the DOS command instead
+# Alias for clear because I sometimes type the DOS command instead
 alias cls="clear"
 
-# Use exa as ls replacement
+# Alias for using exa as ls replacement
 alias ls="exa -al"
 alias ll="exa -al"
 
-# Use ripgrep as grep replacement
+# Alias for using ripgrep as grep replacement
 alias grep="rg -n"
 
-# cd shortcut to get to my Projects folder
+# Alias to get to my Projects folder
 alias pj="cd ~/Projects"
 
+# Alias for opening my code editor
 alias e="code"
 
+# Alias for starting Guild Wars 2 using bumblebee and wine
 alias gw2="primusrun wine64 ~/.wine/drive_c/Program\ Files/Guild\ Wars\ 2/Gw2-64.exe -dx9single -autologin -mapLoadinfo"