Generic logger that wraps console.log with support of log levels and formatting messages.

Features:

1. Create a new named logger new Logger(name, LogLevel.INFO)
2. Formats log messages: [name] [level]: message
3. Supports additional arguments just like console log
4. Change the loglevel with logger.setLogLevel(LogLevel)

Run nx build logger to build the library.

Run nx test logger to execute the unit tests via Jest.