Set default log level to NONE and remove logger docs

Changed the default log level for both Python and JavaScript module loggers from DEBUG to NONE to disable logging by default. Removed the README_LOGGER.md documentation file, and updated README.md to remove a reference to seamless integration.

js/utils/LoggerUtils.js

@@ -11,7 +11,7 @@ import {logger, LogLevel} from "../logger.js";
  * @param {LogLevel} level - Poziom logowania (domyślnie DEBUG)
  * @returns {Object} Obiekt z metodami logowania
  */
-export function createModuleLogger(moduleName, level = LogLevel.DEBUG) {
+export function createModuleLogger(moduleName, level = LogLevel.NONE) {
     logger.setModuleLevel(moduleName, level);
     
     return {