Update config.cfg.template

flaskbb/configs/config.cfg.template

@@ -33,6 +33,8 @@ SESSION_COOKIE_HTTPONLY = True
 
 # Database
 # ------------------------------
+# For MySQL:
+#SQLALCHEMY_DATABASE_URI="mysql+pymysql://flaskbb:password@localhost:3306/flaskbb"
 # For PostgresSQL:
 #SQLALCHEMY_DATABASE_URI = "postgresql://flaskbb@localhost:5432/flaskbb"
 # For SQLite: