[SG-27703] Wildcard: `<NavMenu />` Implementation

Created by: gitstart-sourcegraph

Description

We already have <Menu />, <MenuDivider /> accessible components here: https://sourcegraph.com/github.com/sourcegraph/sourcegraph@tr/wildcard-popover/-/blob/client/wildcard/src/components/Menu/Menu.tsx#L1:1 We want to be able to easily implement navigation menus

Test Plan

• Visit the app storybook preview link
• Confirm the the NavMenu story matches desired result.
• Confirm that Component has all required APIs that are needed by consumer.

Ref

SG Issue Gitstart Ticket

Preview App

Web App Storybook

Acceptance criteria

• Component is implemented within Wildcard
• Component has tests
• Component is accessible
• Component matches Figma designs

Time Estimate

10hrs - 12hrs

App preview:

• Link