✨ Add a flag in sendTx method to add encrypted seed in a secret

[redDwarf03]

Description

Fixes #771

Type of change

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• New feature (non-breaking change which adds functionality)

Material used:

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• iOS (Mac)

How Has This Been Tested?

Use AWC Example app

Patrol

Please list here the tests created in Patrol for this pull request.

Checklist:

• My code follows the style guidelines of this project
• I have performed a self-review of my own code
• I have commented my code, particularly in hard-to-understand areas
• I have made corresponding changes to the documentation
• My changes generate no new warnings
• I have added tests that prove my fix is effective or that my feature works
• New and existing unit tests pass locally with my changes
• Any dependent changes have been merged and published in downstream modules

Useful info for the reviewer: