## What
Pluralize OAS tags
## Why
OAS tags are commonly used by code generator to group routes under a name space based on a tag.
Our JS client convention is to use plural, e.g: client.products, client.customers. In order to minimize friction when migrating to a client generated from OAS, tags should be plural as well.
## How
Match tag naming with JS client resource naming.
## Test
* Run `yarn build`
* Run `yarn openapi:generate`
* Run `yarn redocly preview-docs docs/api/admin/openapi.yaml --config=./docs-util/redocly/config.yaml`
* Expect side menu items to be plural.
* Run `yarn redocly preview-docs docs/api/store/openapi.yaml --config=./docs-util/redocly/config.yaml`
* Expect side menu items to be plural.
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