Update README.txt
Update README.txt

thusithathilina/carbon-kernel,wso2/carbon-kernel,jsdjayanga/carbon-kernel,jsdjayanga/carbon-kernel,wso2/carbon-kernel,nuwandi-kernel/carbon-kernel,thusithathilina/carbon-kernel,thusithathilina/carbon-kernel,nuwandi-kernel/carbon-kernel,jsdjayanga/carbon-kernel,wso2/carbon-kernel,nuwandi-kernel/carbon-kernel