Just parse a double from the location string as that's what the Location constructor expects anyway
Add TARDIS Direction Frame - place an Item frame and run `/tardis update direction`, then place a TRIPWIRE_HOOK in the frame

RIGHT-click to change the direction indicator
SHIFT-RIGHT-click to run the `/tardis direction` command using the
currently displayed direction
Fix showing Artron Indicator twice, update the TARDIS Direction Frame rotation (if there is one)