Update documentation for Strapi lifecycle hooks

[dev-docs-github-app-dev]

This pull request updates the Strapi documentation to include examples and explanations of the various lifecycle hooks available for customizing content type behavior.

The key changes include:

• Adding a new document lifecycle-hooks.md under docusaurus/docs/cms/backend-customization/examples/
• Providing examples for the following lifecycle hooks:
  • beforeCreate
  • afterCreate
  • beforeUpdate
  • afterUpdate
  • beforeDelete
  • afterDelete
• Explaining the purpose and use cases for each lifecycle hook
• Highlighting best practices for leveraging lifecycle hooks efficiently

These documentation updates will help Strapi developers better understand and utilize the flexible customization capabilities provided by lifecycle hooks. The new examples and explanations will make it easier for the community to extend the core functionality of their Strapi applications.

[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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  "docsToCreate": [
    {
      "filePath": "docusaurus/docs/cms/backend-customization/examples/lifecycle-hooks.md",
      "branch": "main"
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  "docsToUpdate": [],
  "relevantCodeFiles": [],
  "relevantCodeRepo": "strapi/strapi",
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