init slim framework files

.coveralls.yml

.travis.yml

CONTRIBUTING.md

README.md

app/dependencies.php

app/middleware.php

app/repositories.php

app/routes.php

app/settings.php

composer.json

composer.lock

docker-compose.yml

logs/README.md

phpstan.neon.dist

phpunit.xml

public/.htaccess

public/index.php

src/Application/Actions/Action.php

src/Application/Actions/ActionError.php

src/Application/Actions/ActionPayload.php