fix: enable env vars in setup steps (and deprecate admin subcommand) (#3871)

* fix: enable env vars in setup steps (and deprecate admin subcommand)

* fix tests and error text

cmd/setup/01.go

@@ -0,0 +1,32 @@
+package setup
+
+import (
+	"context"
+	"database/sql"
+	_ "embed"
+)
+
+var (
+	//go:embed 01_sql/adminapi.sql
+	createAdminViews string
+	//go:embed 01_sql/auth.sql
+	createAuthViews string
+	//go:embed 01_sql/notification.sql
+	createNotificationViews string
+	//go:embed 01_sql/projections.sql
+	createProjections string
+)
+
+type ProjectionTable struct {
+	dbClient *sql.DB
+}
+
+func (mig *ProjectionTable) Execute(ctx context.Context) error {
+	stmt := createAdminViews + createAuthViews + createNotificationViews + createProjections
+	_, err := mig.dbClient.ExecContext(ctx, stmt)
+	return err
+}
+
+func (mig *ProjectionTable) String() string {
+	return "01_tables"
+}