Update Strapi documentation for v4.5.0 release

[dev-docs-github-app-dev]

This PR updates the Strapi documentation to reflect the changes introduced in the v4.5.0 release.

Key updates include:

• Added documentation for the new content-type-builder plugin (files updated: content-type-builder/introduction.md, content-type-builder/managing-components.md)
• Updated the authentication section with details on the new JWT token validation approach (file updated: development/authentication.md)
• Improved the GraphQL API documentation with additional examples and best practices (files updated: graphql/api.md, graphql/resolvers.md)
• Fixed formatting and typos across various sections of the docs

These changes will help Strapi users better understand and utilize the new features and improvements available in version 4.5.0 of the platform.

[dev-docs-github-app-dev]

This pull request was created by AI Agent. Please review the changes and provide feedback. Context used:

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