Exportable Run function

Closes #416

Author: oliverpool

placeholder.go

@@ -1,6 +1,17 @@
 package sqlc
 
+import (
+	"io"
+
+	"github.com/kyleconroy/sqlc/internal/cmd"
+)
+
 // This is a dummy file that allows SQLC to be "installed" as a module and locked using
 // go.mod and then run using "go run github.com/kyleconroy/sqlc"
 
 type Placeholder struct{}
+
+// Run the sqlc command
+func Run(args []string, stdin io.Reader, stdout io.Writer, stderr io.Writer) int {
+	return cmd.Do(args, stdin, stdout, stderr)
+}