feat: read from std in

internal/cli/read.go

@@ -0,0 +1,15 @@
+package cli
+
+import (
+	"io"
+	"os"
+)
+
+func ReadInput() (string, error) {
+	data, err := io.ReadAll(os.Stdin)
+	if err != nil {
+		return "", err
+	}
+
+	return string(data), nil
+}