feat: documentation for cli

internal/cli/destination.go

@@ -14,6 +14,7 @@ type Destination interface {
 // An StdoutDestination writes to stdout.
 type StdoutDestination struct{}
 
+// Write outputs to standard output.
 func (d StdoutDestination) Write(data string) error {
 	fmt.Println(data)
 	return nil
@@ -22,6 +23,7 @@ func (d StdoutDestination) Write(data string) error {
 // A FileDestination writes to a file.
 type FileDestination struct{ Path string }
 
+// Write outputs to a file.
 func (d FileDestination) Write(data string) error {
 	return os.WriteFile(d.Path, []byte(data+"\n"), 0644)
 }