Add generation of dev code signing certs

[enfipy]

Now it's not possible to sign your app for iPhone without Xcode or Apple Developer Program enrolled account. It should be possible to generate mobile provision files with Fastlane or with our tool.

Links:
https://dkimitsa.github.io/2018/01/04/ios-homemade-provision-profile/
https://developer.apple.com/forums/thread/73221
https://www.objc.io/issues/17-security/inside-code-signing/
https://developer.apple.com/documentation/bundleresources/entitlements
https://developer.apple.com/download/more/