BITAU-103 Implement symmetric key creation and storage

[ahaisting-livefront]

🎟️ Tracking

https://livefront.atlassian.net/browse/BITAU-103

📔 Objective

The goal of this PR is to setup the one time symmetric key generation. This will be required for implementing BridgeService, which is up next!

📸 Screenshots

⏰ Reminders before review

• Contributor guidelines followed
• All formatters and local linters executed and passed
• Written new unit and / or integration tests where applicable
• Used internationalization (i18n) for all UI strings
• CI builds passed
• Communicated to DevOps any deployment requirements
• Updated any necessary documentation or informed the documentation team

🦮 Reviewer guidelines

• 👍 (:+1:) or similar for great changes
• 📝 (:memo:) or ℹ️ (:information_source:) for notes or general info
• ❓ (:question:) for questions
• 🤔 (:thinking:) or 💭 (:thought_balloon:) for more open inquiry that's not quite a confirmed issue and could potentially benefit from discussion
• 🎨 (:art:) for suggestions / improvements
• ❌ (:x:) or ⚠️ (:warning:) for more significant problems or concerns needing attention
• 🌱 (:seedling:) or ♻️ (:recycle:) for future improvements or indications of technical debt
• ⛏ (:pick:) for minor or nitpick changes

[github-actions[bot]]

Checkmarx One – Scan Summary & Details – 50bd214a-fa0f-4f51-96e8-3c8c3028110f

No New Or Fixed Issues Found

[codecov[bot]]

Codecov Report

Attention: Patch coverage is 37.50000% with 5 lines in your changes missing coverage. Please review.

Project coverage is 88.70%. Comparing base (2721f72) to head (00758d5). Report is 2 commits behind head on main.

Files with missing lines	Patch %	Lines
...en/data/auth/datasource/disk/AuthDiskSourceImpl.kt	0.00%	4 Missing :warning:
...data/platform/repository/SettingsRepositoryImpl.kt	75.00%	0 Missing and 1 partial :warning:

Additional details and impacted files

```diff @@ Coverage Diff @@ ## main #3905 +/- ## ========================================== - Coverage 88.71% 88.70% -0.02% ========================================== Files 423 423 Lines 34343 34351 +8 Branches 5073 5077 +4 ========================================== + Hits 30468 30471 +3 - Misses 2101 2105 +4 - Partials 1774 1775 +1 ```

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[ahaisting-livefront]

Thanks, @brian-livefront !