[View Trades] Add average price details

[trs4ece]

Could we get some details about how trade offers compare to the average price of a resource? This can be helpful to determine the direction that the current market is trending. This will be helpful for determining whether to invest or divest in a given market. I'm drawing some inspiration on how stock markets show price fluctuations throughout a day, ex. https://duckduckgo.com/?q=GOOG&t=h_&ia=stock

Here's a quick example of what it might look like:

So in this example, undercutting the best buy order might be a decent move, but undercutting the best sell order would definitely not be.