Using trials core fragment as starting point for new projects

There is actually a starter config on the documentation site (example: https://docs.quantexa.com/parsers-component/4.3.3/parsers/_attachments/resolver-config-core-fragment.json though I do think it might be from trials platform)

for 2), it's going to be very region and use case specific, (i.e. US/CA don't have IBANS) and that usually would be a discussion with the BA, solution owner, and referring to solution blueprints. Some blueprints have a recommended set of compounds for accounts now.