Create songs table

migrations/2024-02-06-150334_create_songs_table/up.sql

@@ -0,0 +1,16 @@
+CREATE TABLE songs (
+    id SERIAL PRIMARY KEY UNIQUE NOT NULL,
+    title VARCHAR NOT NULL,
+    album_id INTEGER REFERENCES albums(id),
+    track INTEGER,
+    duration INTEGER NOT NULL,
+    release_date DATE,
+    storage_path VARCHAR NOT NULL,
+    image_path VARCHAR
+);
+
+CREATE TABLE song_artists (
+    song_id INTEGER REFERENCES songs(id) ON DELETE CASCADE NOT NULL,
+    artist_id INTEGER REFERENCES artists(id) ON DELETE CASCADE NOT NULL,
+    PRIMARY KEY (song_id, artist_id)
+);