~/.bin/shot: Take a screenshot and maybe name it

Uses `scrot -s`, but makes the names actually readable/useful later.

.bin/shot

@@ -0,0 +1,8 @@
#!/bin/bash
suffix=""
if [ -n "$1" ]; then
	suffix="_$1"
fi
scrot -s "%Y-%m-%dT%H:%M:%S${suffix}.png"