Update README.md

elements/021-scandium/README.md

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 This is the website source code for x3dp.com. 
 - A TMS WEB Core project for the front-end
 - A hydrogen server as the backend REST API server
-- A Postgres databse to store everything
+- A Postgres database to store everything
+
+## Brainstorming
+- Intended as an Exchange/marketplace for the 3D Printing Community
+- Troodon (and WelcomeToTroodon) as the first wave of users to test it out
+- Printers, parts, prints, plastics, and products are the intended items for trade
+- Not intending to serve as a financial intermediary but rather just a matching service
+- Some integration with Discord for quick user signup and authentication
+