Refactor/api exits and auth

Add Til set w minimum flow, add balances tests at StateDB ProcessTxs, small fixes at StateDB

Insert ETH as HistoryDB token

Imp api get full-batches

ProcessTxs fees collct update & tests, and other:

API add bids endpoint

- Update StateDB ProcessTxs fees collection
- Update ProcessTxs tests to last StateDB & Til changes
- Til Blockchain L2Txs remove Nonce generation, update tests accordingly
- Update Til Set to test fees

Refactor/api txs

Add collectedFees in TxProcessor, update sync test

- In Synchronizer test, test all tx types

API Coordinator Refactor

Test L2Txs, ExitTree in synchronizer

StateDB store Idxs with TokenID at the db-key & TxSelector include L1CoordinatorTxs in selections

ProcessTxs return an array of created accounts

API Update tokens endpoint

Add struct get state endpoint

Add ProcessTxs send fees to Coordinator accounts

Update Synchroinzer and tests

- Test L1UserTxs in Synchronizer
- Test Batches in Synchronizer
- Add last_idx in `TABLE batch` in HistoryDB
- Minor updates in til to satisfy blockchain constraints

Feature/eth remove erc777

Feature/api batches

Impl account creation auth endpoints

Feature/fees update

Add the ability to run the API forever when testing

Add TxTypeTransferToEthAddr&ToBJJ to StateDB & Til