noahdarveau/namespace eslint plugin

[noahdarveau-MSFT]

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Description

Summarize the changes, including the goals and reasons for this change. Be sure to call out any technical or behavior changes that reviewers should be aware of.

If this Pull Request should close/resolve any issues when merged, use the special syntax for that here.

Main changes in the PR:

1. Added an eslint plugin rule that will throw an error whenever a namespace is used in the codebase. The error message informs the developer that namespaces should not be used as they are not treeshakable and modules should be used instead. It also instructs the developer that if it is ABSULUTELY necessary to use a namespace, they can ignore the eslint rule and add a comment explaining why a namespace is necessary to in this situation.

Validation

Validation performed:

1. Manually tested the functionality of the plugin.