Adding Supabase's Postgres, n8n with external postgres, nocodb with external postgres

[that0n3guy]

I've started moving stuff from coolify over to swiftwave and these are the templates I've used. They work well so far (unless I typo'd something last minute).

This adds:

• https://github.com/n8n-io/n8n
• https://github.com/nocodb/nocodb
• https://github.com/supabase/postgres (basically just standard postgres but with extentions pre-installed)