Separate UserTransaction queries for V2 and V3

[defispartan]

V2 and V3 queries will have small differences (supply vs deposit, setUserEMode transactions, etc.) so these queries should be

Also adding a common questions section to the top of the repo which links to the sample queries:

• How do I fetch all of transactions for a particular user?
• How to calculate accrued interest?
• How to calculate interest rates for all assets?
• How to get historical parameter data (LTV, Liquidation Threshold, Reserve Factor, etc.)?

[jasmeenPedalsup]

@defispartan did you find any solutions?