move queries to db folder, change database to better accommodate musicbrainz api data

db/queries/albums.sql

@@ -0,0 +1,21 @@
+-- albums.sql
+-- name: GetAlbumByID :one
+SELECT * FROM albums WHERE id = $1;
+
+-- name: GetAllAlbums :many
+SELECT * FROM albums;
+
+-- name: CreateAlbum :one
+INSERT INTO albums (id, name, artist, release_date, album_art_url) VALUES ($1, $2, $3, $4, $5) RETURNING id;
+
+-- name: UpdateAlbum :exec
+UPDATE albums SET name = $2, artist = $3, release_date = $4, album_art_url = $5 WHERE id = $1;
+
+-- name: DeleteAlbum :exec
+DELETE FROM albums WHERE id = $1;
+
+-- name: SearchAlbums :many
+SELECT * FROM albums WHERE name ILIKE '%' || $1 || '%' OR artist ILIKE '%' || $1 || '%';
+
+-- name: GetAlbumsByArtist :many
+SELECT * FROM albums WHERE artist = $1;