Add initial database setup and user/artist management functionality

api/repository/artist_repository.go

@@ -0,0 +1,22 @@
+package repository
+
+import (
+	"context"
+	db "zardzul/music-index/sqlc"
+)
+
+type ArtistRepository interface {
+	GetAll(ctx context.Context) ([]db.Artist, error)
+}
+
+type SQLCArtistRepository struct {
+	q *db.Queries
+}
+
+func NewArtistRepository(queries *db.Queries) *SQLCArtistRepository {
+	return &SQLCArtistRepository{q: queries}
+}
+
+func (r *SQLCArtistRepository) GetAll(ctx context.Context) ([]db.Artist, error) {
+	return r.q.GetAllArtists(ctx)
+}