Add "main" field to package.json
Add "main" field to package.json

To make `require('ladda-bootstrap')` work properly, without having to specify the full path.
gdseller/ladda-bootstrap,dhurba87/ladda-bootstrap,ValMilkevich/ladda-bootstrap,CodeRabbits/ladda-bootstrap,ArthurN/ladda-bootstrap,kelonye/tb-button-loader,CodeRabbits/ladda-bootstrap,ericariyanto/ladda-bootstrap,msurguy/ladda-bootstrap,ValMilkevich/ladda-bootstrap,gdseller/ladda-bootstrap,ArthurN/ladda-bootstrap,RobMarkiewka/ladda-bootstrap,msurguy/ladda-bootstrap,dhurba87/ladda-bootstrap,ericariyanto/ladda-bootstrap,RobMarkiewka/ladda-bootstrap