Azure-devops-docs: ContentType documentation missing

[evertonmc]

https://github.com/microsoft/tfs-cli/issues/257#issuecomment-373495722

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Document Details

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• ID: d8b703fe-8982-4284-6db0-ef33abac08a4
• Version Independent ID: 0fc84d11-1c32-0a49-04ec-641b68f44886
• Content: Extension Manifest Reference
• Content Source: docs/extend/develop/manifest.md
• Product: devops
• Technology: devops-ecosystem
• GitHub Login: @chcomley
• Microsoft Alias: chcomley

[chcomley]

Hi @evertonmc, Thanks for the heads up! I've created a user story to capture this update.