1 - Update https://github.com/BeaconCMS/beacon/blob/main/.github/workflows/elixir.yml to run tests on postgres, mysql, and mssql 2 - Update README.md to mention that Beacon supports the [3 built-in ecto adapters](https://hexdocs.pm/ecto_sql/Ecto.Adapters.SQL.html#module-built-in-adapters): postgres, mysql, mssql
1 - Update https://github.com/BeaconCMS/beacon/blob/main/.github/workflows/elixir.yml to run tests on postgres, mysql, and mssql
2 - Update README.md to mention that Beacon supports the 3 built-in ecto adapters: postgres, mysql, mssql