VOID PROFIT QOL improvements

Hello,

A small update to make trading information easier to follow.

• Market estimates show the product, the destination and the system the destination is in more clearly.

• Port Notes record buying and selling prices.

• You can now open matching Port Notes straight from a market report, filter for reachable markets and pin a trade lead to the map.

• Clearer tooltips and a few additions to the Operator Manual.

Thanks for the feedback. It helps me see where things still need explaining.