feat: rename config to cli

internal/cli/destination.go

@@ -0,0 +1,27 @@
+package cli
+
+import (
+	"fmt"
+	"os"
+)
+
+// A Destination is method of writing output to the user.
+type Destination interface {
+	// Write data to this destination.
+	Write(data string) error
+}
+
+// An StdoutDestination writes to stdout.
+type StdoutDestination struct{}
+
+func (d StdoutDestination) Write(data string) error {
+	fmt.Println(data)
+	return nil
+}
+
+// A FileDestination writes to a file.
+type FileDestination struct{ Path string }
+
+func (d FileDestination) Write(data string) error {
+	return os.WriteFile(d.Path, []byte(data+"\n"), 0644)
+}