Updated .gitignore
Updated .gitignore

iit2014086/BuildmLearn-Toolkit-Android,BuildmLearn/BuildmLearn-Toolkit-Android,octacode/BuildmLearn-Toolkit-Android,vishwesh3/BuildmLearn-Toolkit-Android,opticod/BuildmLearn-Toolkit-Android,amritsinghbains/BuildmLearn-Toolkit-Android,ShikherVerma/BuildmLearn-Toolkit-Android