This repo is missing important files

There are important files that Microsoft projects should all have that are not present in this repository. A pull request has been opened to add the missing file(s). When the pr is merged this issue will be closed automatically.

Microsoft teams can [learn more about this effort and share feedback](https://docs.opensource.microsoft.com/releasing/maintain/templates/) within the open source guidance available internally.

[Merge this pull request](https://github.com/Azure/cosmos-explorer/pull/1276)

Start by reviewing pull request #1276 and the Microsoft open source guidance linked in the issue. The issue is complete when the missing standard files are added through that pull request and the pull request is merged so this issue closes automatically.

Written by the indexing model from the issue text.