docs: add deployment for install link generator

[acekyd]

This pull request includes a small but important change to the deployment process in the .github/workflows/deploy-docs-and-extensions.yml file. The change ensures that the install link generator files are copied to the correct directory during the deployment process.

• .github/workflows/deploy-docs-and-extensions.yml: Added a step to copy the install-link-generator files to the combined-build/v1/extensions/install-link-generator/ directory.