solved fix in '_package.json' file
implemented create 'README.md' for the app
implemented create 'CHANGELOG.md' for the app
implemented create '.travis.yml' for the app
added 'CHANGELOG' file in 'app/templates' dir'
added 'htaccess' file in 'app/templates' dir'
added 'robots.txt' file in 'app/templates' dir'
changed 'indent_size' for 2 spaces in 'app/templates/editorconfig' file
rewritten tests with add for create files of index to project and for 'app' dir