Added configuration & installation section.
Added configuration & installation section.

carlos-reynosa/magento-html5-webrtc-customer-service-module,carlos-reynosa/magento-html5-webrtc-customer-service-module,carlos-reynosa/magento-html5-webrtc-customer-service-module,carlos-reynosa/magento-html5-webrtc-customer-service-module,carlos-reynosa/magento-html5-webrtc-customer-service-module