* MP-3556: first PythDataFeed class
* fix: fixed the timestamp
* fix: fixed the chart data
* fix: fixed the prices
* fix: fixed the math and decimal scale
* tidy: refactor
* fix: update the pythFeedId
* fix: updated OsmosisTheGraphDataFeed
* fix: add a fallback for non pyth data
* tidy: refactor
* fix: adjusted to feedback