[api] Fix Tolerance Quote to RUNE
Reported bug that swaps quotes to RUNE
with a tolerance were getting an error: https://thornode.ninerealms.com/thorchain/quote/swap?from_asset=ETH.ETH&to_asset=RUNE&amount=301872038&destination=thor188cm7ttvfpkxahageez4fufgk003cx2vw9nzdc&from_address=0xB6F1F501BA37551964C9b23B4c38faED71DDEAfA&tolerance_bps=100&affiliate_bps=30&affiliate=t.
Earmark to fix the docs path for /thorchain/vault/<pubkey>
.