Direct Exporter - Blob store

[sachintendulkar576123]

Proposed changes

This PR updates Direct Exporter to Azure

• Implemented the AzureBlobSpanExporter() to upload OpenTelemetry traces to Azure Blob Storage.
• Added necessary dependencies for Azure support in pyproject.toml
• Instructions for installing Azure Blob exporters in Monocle_User_Guide.md

Types of changes

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• Bugfix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to not work as expected)
• Documentation Update (if none of the other choices apply)

Checklist

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• I have read the CONTRIBUTING doc
• I have signed the CLA
• Lint and unit tests pass locally with my changes
• I have added tests that prove my fix is effective or that my feature works
• I have added the necessary documentation (if appropriate)
• Any dependent changes have been merged and published in downstream modules

Further comments

If this is a relatively large or complex change, kick off the discussion by explaining why you chose the solution you did and what alternatives you considered, etc...

[kshitiz-okahu]

adding an example with usage of the class would be good

[kshitiz-okahu]

Sync the branch with main