Walks an e-Resident through opening a private limited company (osaühing, OÜ)
remotely using the e-Residency digital ID. Use when the user mentions:
"open OÜ", "open Estonian company", "register OÜ", "e-Residency company",
"ariregister", "Company Registration Portal", "start a business in Estonia
as a non-resident". Always re-fetches the current procedure from
e-resident.gov.ee — never quotes cached fees or share-capital minimums.