Update to use MySQL Database

internal/db/db.go

@@ -4,20 +4,17 @@ import (
 	"database/sql"
 	"fmt"
 
-	_ "modernc.org/sqlite"
+	_ "github.com/go-sql-driver/mysql"
 )
 
 func Open(dsn string) (*sql.DB, error) {
-	db, err := sql.Open("sqlite", dsn)
+	db, err := sql.Open("mysql", dsn)
 	if err != nil {
 		return nil, fmt.Errorf("open db: %w", err)
 	}
 	if err := db.Ping(); err != nil {
 		return nil, fmt.Errorf("ping db: %w", err)
 	}
-	if _, err := db.Exec(`PRAGMA journal_mode=WAL; PRAGMA foreign_keys=ON;`); err != nil {
-		return nil, fmt.Errorf("pragma: %w", err)
-	}
 	return db, nil
 }