WIP: Feature: AWS Systems Manager - Session Manager integration

[BornToBeRoot]

Fixes #1506

Please provide some details about this pull request:

• Connect to AWS and get Instance IDs for AWS Systems Manager - Session Manager
• Connect to the instance via AWS CLI & AWS SSM (like PowerShell/PuTTY)

ToDo List:

• [x] Add settings view and basic config
• [ ] Add note to the settings and explain profiles/region
• [x] Settings > AWS Session Manager > Add dialogs to add/edit/remove AWS profiles
• [ ] Add AWSSessionManager profile
• [ ] Sync again when settings have changed (like profiles or disable/enable sync)
• [ ] AWS Session Manager > Add check for AWS CLI and Session Manager plugin (show note if not installed)
• [ ] Implement connect dialog (to connect manualy)
• [ ] Add sync button for all profile/region
• [ ] Add sync button for each profile/region
• [ ] Add AWS SDK to about page
• [ ] Add documentation page (https://borntoberoot.net/NETworkManager/Documentation/Application/AWSSessionManager)
  • [x] Link added to App
  • [ ] Add note in settings page?
  • [ ] Add some content & screenshot
  • [ ] Add minimum iam policy and how to setup. Reference to aws cli docs.

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• [x] The code or ressource is compatible with the GNU General Public License v3.0.