docs(readme) add Konga-cli community tool
docs(readme) add Konga-cli community tool

Signed-off-by: Thibault Charbonnier <3c2e9133e272cb489e2fea0c4328cf56b08e4226@me.com>

jerizm/kong,ajayk/kong,jebenexer/kong,Vermeille/kong,icyxp/kong,ccyphers/kong,Kong/kong,beauli/kong,Kong/kong,Mashape/kong,smanolache/kong,Kong/kong,salazar/kong,xvaara/kong,li-wl/kong,shiprabehera/kong,akh00/kong