add link to demo.openmf.org/beta/ Community App to README
add link to demo.openmf.org/beta/ Community App to README

Vishwa1311/incubator-fineract,RanjithKumar5550/RanMifos,Vishwa1311/incubator-fineract,RanjithKumar5550/RanMifos,RanjithKumar5550/RanMifos,Vishwa1311/incubator-fineract