Submitted a new extension Couchbase Server to the gallery

[AayushTyagi1]

I tested and extension worked with azuredatastudio. To test it please download the VSIX and install the extension.

[github-actions]

MSFT Gallery Maintainer Only
This is a reminder to update the Extensions Gallery list at https://github.com/Microsoft/azuredatastudio/wiki/List-of-Extensions once this PR has been merged in.
Instructions for doing this can be found here.

[AayushTyagi1]

@microsoft-github-policy-service agree [company="{your company}"]

@microsoft-github-policy-service agree [company="Couchbase"]

[AayushTyagi1]

@AayushTyagi1 please read the following Contributor License Agreement(CLA). If you agree with the CLA, please reply with the following information.

@microsoft-github-policy-service agree [company="{your company}"]

Options:

• (default - no company specified) I have sole ownership of intellectual property rights to my Submissions and I am not making Submissions in the course of work for my employer.

@microsoft-github-policy-service agree

• (when company given) I am making Submissions in the course of work for my employer (or my employer has intellectual property rights in my Submissions by contract or applicable law). I have permission from my employer to make Submissions and enter into this Agreement on behalf of my employer. By signing below, the defined term “You” includes me and my employer.

@microsoft-github-policy-service agree company="Microsoft"

Contributor License Agreement
@microsoft-github-policy-service agree company="Couchbase"

[AayushTyagi1]

@lewis-sanchez I hope now its all fine