add version command and more tests

src/rewrite_links/links_to_rewrite.rs

@@ -94,3 +94,14 @@ fn test_rewrite_refered_tiktok() {
         Some("https://vxtiktok.com/@/video/7417808362957589778".to_string())
     );
 }
+
+#[test]
+fn test_rewrite_refered_instagram() {
+    let url_and_domain =
+        get_domain_from_text("https://www.instagram.com/reel/DJAE4JXSvHn/".to_string());
+    let domain = filter_string(url_and_domain.0, url_and_domain.1);
+    assert_eq!(
+        domain,
+        Some("https://ddinstagram.com/reel/DJAE4JXSvHn/".to_string())
+    );
+}