Extra marker properties

[shardros]

AS A robocon competitor
I WANT to be able to easily find my own markers
SO THAT I get to do the fun of having strategy
DONE IS:

• Marker list is returned sorted by distance
• marker.mine returns true for when a marker is a relivent marker.
• The type implmented as follows: https://discord.com/channels/466677345919434793/1029153440254939247/1030877646868983879
• Docs updated

[shardros]

How to use this should be included in the tutorial