Add new settings "print http request/response headers to log"

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Add new settings

"print http request/response headers to log"

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2020-11-26 02:15:55.999, 0x00007f4ccf7fe700 [INFO] WsjcppLightWebHttpThreadWorker-worker0: IP-address: 127.0.0.1
2020-11-26 02:15:55.999, 0x00007f4ccf7fe700 [INFO] WsjcppLightWebHttpThreadWorker-worker0: Readed 723 bytes...
2020-11-26 02:15:55.999, 0x00007f4ccf7fe700 [INFO] WsjcppLightWebHttpThreadWorker-worker0: 
Request: 
>>>
GET /assets/img/loader.gif HTTP/1.1
Host: localhost:7080
User-Agent: Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:83.0) Gecko/20100101 Firefox/83.0
Accept: image/webp,*/*
Accept-Language: ru-RU,ru;q=0.8,en-US;q=0.5,en;q=0.3
Accept-Encoding: gzip, deflate
Connection: keep-alive
Referer: http://localhost:7080/
Cookie: wp-settings-time-1=1600145227; _ym_uid=1600317469215472952; _ym_d=1600317469; wordpress_test_cookie=WP%20Cookie%20check; wordpress_logged_in_dd857630f84c71a4e3873e83790ec13b=some%7C1600318022%7Ci25X71HvpjCX12dlBZRSeEwkyIhFdvBeYjO0Zou8kKN%7C71933b8cacc662bceea9dbbe2fcb42fd90dd27263d3e1ba2970bcc4eb2c663af; fhqtoken=
If-Modified-Since: Чт, 26 ноя 2020 02:15:25 GMT
Cache-Control: max-age=0