Cleanup daily prices worker and add transaction count for individuals
- Restrict daily price query date to earliest 2021-02-20.
- Make DailyPrices.Worker less aggressive in terms of resources and no longer spawn a process per currency (this overloaded the PostgreSQL connections).
- Add route 'transactions/account/<:accountId>'.
- Add route 'liquidity/account/ /current'.
- Remove unused function getMarketChartRange.
- Add a new migration that cleans up daily_xtz_price table (removes missing column and index, adds UNIQUE (vs_currency, date) and index on (vs_currency, date)).
- Rename migration files.
Edited by J Haver