BE:FE - APY Per DataNFT

[idiom-bytes]

This epic includes the following tickets. But, let's break it down into multiple releases.

• df-py#366 - route for purgatory
• df-sql#26 - purgatory assets
• df-sql#22 - historical data
• df-issues#101 - documentation
• df-web#414
• df-web#377
• df-web#346
• df-web#116
• df-private#34
• df-sql#15

[idiom-bytes]

This was completed along with many tickets that were not properly tracked but helped to finalize this epic.