cleanup (.gitignore)
assets: js, `Trds` main module and helpers
assets: js, `Trds.desk.partner_firm` skeleton
i18n: `trds.yml` skeleton, `partner_firm.yml`
views: `Trds::PartnerFirm` and related (address, person etc.) CRUD
update CHANGELOG
bump version v0.1.3
Merge branch 'feature/v0.1.3' into develop