update version to 1.3.4 (sparkfabrik#25)

refs sparkfabrik#16: default bundler-version is 2.3, check gemfile.lo…

…ck for correct bundler version (sparkfabrik#22)

Co-authored-by: Emiliano Morghen <emiliano.morghen@sparkfabrik.com>

refs sparkfabrik#16: Setup bundler with ruby/setup-ruby@v1 (sparkfabr…

…ik#20)

Co-authored-by: Emiliano Morghen <emiliano.morghen@sparkfabrik.com>

refs sparkfabrik#16: update readme.md (sparkfabrik#19)

Co-authored-by: Emiliano Morghen <emiliano.morghen@sparkfabrik.com>

Feature/16 fix android browserstack (sparkfabrik#17)

* Add fastlane-env, ruby and bundler parameters

Co-authored-by: Edoardo Dusi <edo@edoardodusi.com>
Co-authored-by: Emiliano Morghen <emiliano.morghen@sparkfabrik.com>

Merge pull request sparkfabrik#5 from sparkfabrik/feature/production_…

…build_upload

Production build and optional upload to Play Store

Merge pull request sparkfabrik#3 from sparkfabrik/feature/react-nativ…

…e-support

Add React Native support

Merge pull request sparkfabrik#1 from sparkfabrik/dependabot/npm_and_…

…yarn/actions/core-1.2.6

Bump @actions/core from 1.2.5 to 1.2.6

Fix Fastfile

Init