update readme + add option to customize api endpoint

start.sh

@@ -8,6 +8,7 @@ for arg in "$@"; do
       days=*) days="${arg#*=}" ;;
       max_connections=*) max_connections="${arg#*=}" ;;
       enable_fixes=*) enable_fixes="${arg#*=}" ;;
+	  api_url=*) api_url="${arg#*=}" ;;
    esac
 done
 
@@ -17,11 +18,14 @@ echo "working dir : " $(pwd)
 echo "days : ${days}"
 echo "max_connections : ${max_connections}"
 echo "enable_fixes : ${enable_fixes}"
+echo "api url : ${api_url}"
 
 if [ "$enable_fixes" = true ] ; then
  cp -R /fixes/* /bin/epg/sites/
 fi
 
+sed -i -E "s/(https:\x2f\x2fiptv-org.github.io\x2fapi)/$api_url/g" $work_dir/scripts/core/apiClient.ts
+
 pm2 --name epg start npm -- run serve
 npm run grab -- --channels=channels.xml --maxConnections=$max_connections --days=$days --gzip
 ln -s $work_dir/guide.xml /public/guide.xml