chore: added examples command to run all examples servers at once

[jonatassales]

Description of changes

This PR adds a script to run all examples servers at once so debugging can start faster

To reproduce

You just need to run yarn examples and all examples will build and will be served on different server ports

Checklist

Before merging to main:

• [x] Tests
• [x] Manually tested in React apps
• [ ] Release notes
• [ ] Approved

Release notes

# Component changes

## Time Series

- N/A

## Leaderboard

- N/A

## Counter

- N/A

# Package changes

## GraphQL

- N/A

# App changes

## React examples

- Added script to automate server runs so debugging can start faster

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Name	Status	Preview	Comments	Updated (UTC)
ui-kit	❌ Failed (Inspect)			Aug 1, 2023 8:06am