Adding format to select between normal, clean and JSON. This needs some refactor

src/data_format.rs

@@ -0,0 +1,12 @@
+use serde::{Deserialize, Serialize};
+use structopt::clap::arg_enum;
+
+arg_enum! {
+
+#[derive(Serialize, Deserialize, Debug, PartialEq, Clone, Copy)]
+    pub enum DataFormat {
+        Normal,
+        Clean,
+        JSON
+    }
+}