Enable eslint rules in .eslintconfig

[bc-juanvasquez]

Is your feature request related to a problem? Please describe.
Currently, some eslint rules are disabled as we have migrated to use BigCommerce's global eslint config.

Describe the solution, feature, or improvement you'd like
Enable eslint rules that are currently disabled in .eslintrc. Some rules have more issues than others, so use proper discretion when providing PRs to enable these rules as we want to have a digestible PR to provide feedback for.

Describe alternatives you've considered
N/A

Additional context
N/A