docs(readme): correct type for loadLanguagePack option

[smackfu]

Description

Fixes the type for the force option for loadLanguagePack.

Motivation and Context

This is a boolean, not a string:

one-app-ducks/src/intl/index.js

Line 295 in 8e50d8f

force = false,

How Has This Been Tested?

Doc update.

Types of Changes

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to not work as expected)
• Documentation (adding or updating documentation)
• Dependency update

Checklist:

• My change requires a change to the documentation and I have updated the documentation accordingly.
• My changes are in sync with the code style of this project.
• There aren't any other open Pull Requests for the same issue/update.
• These changes should be applied to a maintenance branch.
• This change requires cross browser checks.
• This change impacts caching for client browsers.
• This change adds additional environment variable requirements for one-app-ducks users.
• I have added the Apache 2.0 license header to any new files created.

What is the Impact to Developers Using one-app-ducks?

Corrected documentation.

[oneamexbot]

🎉 This PR is included in version 4.4.4 🎉

The release is available on:

• npm package (@latest dist-tag)
• GitHub release

Your semantic-release bot 📦🚀