feat: extract featured artists from track title

tests/test.py

@@ -0,0 +1,18 @@
+from app.utils import extract_featured_artists_from_title
+
+
+def test_extract_featured_artists_from_title():
+    test_titles = [
+        "Own it (Featuring Ed Sheeran & Stormzy)",
+        "Godzilla (Deluxe)(Feat. Juice Wrld)(Deluxe)",
+        "Simmer (with Burna Boy)",
+    ]
+
+    expected_test_artists = [
+        ["Ed Sheeran", "Stormzy"],
+        ['Juice Wrld'],
+        ["Burna Boy"]
+    ]
+
+    for title, expected in zip(test_titles, expected_test_artists):
+        assert extract_featured_artists_from_title(title) == expected