Provide How-to guides for the key Kanto functionalities

[konstantina-gramatova]

The current getting started guides cover the core Suite Connector and Container Management capabilities and their application.
Thus, the documentation must be extended to cover the following additional components:

• Software Update
• File Upload
• File Backup
• Local Digital Twins
• Suite Bootstrapping
• System Metrics
• Azure Connector

General content guidance for the needed documentation is:

• The examples in the How-to guides should be executed via Eclipse Hono Sandbox
• The How-to guides must be included in Eclipse Kanto Documentation
• If required, the Getting started Python scripts can be updated
• Update the concepts to be linked with the respective How-to guides (What's next sections)

Tasks:

• Provide How-to guide for Software Update #12
• Provide How-to guide for File Upload #13
• Provide How-to guide for File Backup #90
• Provide How-to guide for the Kanto Local Digital Twins #51
• Provide How-to guide for the Kanto Suite Bootstrapping #52
• Provide How-to guide for the Kanto System Metrics #53
• Provide How-to guide for the Kanto Azure Connector #54