Add Kdenlive entry in main readme
Add Kdenlive entry in main readme

elopio/snappy-playpen,ubuntu/snappy-playpen,elopio/snappy-playpen,jamestait/snappy-playpen,jamestait/snappy-playpen,ubuntu/snappy-playpen,elopio/snappy-playpen,ubuntu/snappy-playpen,jamestait/snappy-playpen,elopio/snappy-playpen,ubuntu/snappy-playpen,jamestait/snappy-playpen