add initial out command

fmt.go

@@ -0,0 +1,17 @@
+package resource
+
+import (
+	"fmt"
+	"os"
+
+	"github.com/mitchellh/colorstring"
+)
+
+func Fatal(doing string, err error) {
+	Sayf(colorstring.Color("[red]error %s: %s\n"), doing, err)
+	os.Exit(1)
+}
+
+func Sayf(message string, args ...interface{}) {
+	fmt.Fprintf(os.Stderr, message, args...)
+}