Good luck with your game. Start with something small or you'll run out of time. The text adventure community is small, but very active and there's always someone that can help you out. Here's a few links to get you started:
Forum for help, competitions, requests for beta testers and anything IF related: https://intfiction.org/
Database of IF games: https://ifdb.org/
Archive of (mostly modern) IF games: http://www.ifarchive.org/
Database of game maps and solutions: https://solutionarchive.com/
General info on IF: https://www.ifwiki.org/Main_Page
The most recently finished comp with parser games written for beginners: Text Adventure Literacy Jam 2022
ParserComp 2021: https://itch.io/jam/parsercomp-2021