Publish android & IOS applications

[simpleidserver]

• Update the documentation : ** Enroll OTP and use as 2FA : OK ** Authenticate with Identity Server by scanning QR Code : OK ** Can use as back channel authentication device. : OK ** Can enroll Verifiable Credential and present verifiable presentation : OK ** Update the tutorial (Credential Issuer), compliant with ESBI : OK

• Error - not possible to enroll verifiable credential : OK

• Publish IOS & Android application to the appropriate store.