M365 roadmap graph connector

[mohammadamer]

Updated files

1. README.md file
2. samples.json file
3. added resultLayout.json file
4. add 2 new screenshots

[github-actions[bot]]

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File: samples/dotnet-csharp-m365-roadmap/assets/sample.json

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[github-actions[bot]]

Validation failed!

File: samples/dotnet-csharp-m365-roadmap/assets/sample.json

• Invalid url for thumbnail #1 property: The provided URL is not responding correctly!
• Invalid url for thumbnail #2 property: The provided URL is not responding correctly!