[webserver] performance and usage optimisation

[siteswapjuggler]

Webserver functionnality could be improved a lot :

• gz integration
• gulp filters
• test button to blink the ball
• dns to setup.smartball.io
• password viewing button
• html code commentaries

[siteswapjuggler]

04.09.2019

gz integration ok dns & mdns ok password viewing ok html code commentaries ok

[siteswapjuggler]

08.09.2019

mDNS has been removed as it causes webserver timeout test button ok parameters viewing ok automatic translation ok