Rename more scripts

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

system/.local/bin/increase-volume

@@ -0,0 +1,18 @@
+#!/usr/bin/env bash
+# 
+# SCRIPT NAME:
+# increase-volume
+#
+# AUTHOR:
+# Severin Kaderli <severin.kaderli@gmail.com>
+#
+# DESCRIPTION:
+# This script uses pamixer to increase the volume by 5% as long
+# as the current volume is less than 150%. I call this script
+# using custom i3 keybindings.
+#
+# USAGE:
+# ./increase-volume
+if [[ $(pamixer --get-volume) -lt 150 ]]; then
+    pamixer -i 5 --allow-boost
+fi