Move config to separate package

config/command.go

@@ -0,0 +1,19 @@
+package config
+
+import "os/exec"
+
+type Command struct {
+	Program       string
+	Arguments     []string
+	AppendPayload bool
+}
+
+func (c Command) Execute(payload string) ([]byte, error) {
+	arguments := make([]string, 0)
+	copy(c.Arguments, arguments)
+	if c.AppendPayload {
+		arguments = append(arguments, payload)
+	}
+
+	return exec.Command(c.Program, arguments...).Output()
+}