chore: adds Lite to page titles

[dutterbutter]

Changes introduced in this PR:

• Adds "Lite" to page titles to ensure people are aware of the difference between zkSync Era and zkSync Lite from a Google search.

[github-actions[bot]]

Visit the preview URL for this PR (updated for commit 9688ca1):

• https://zksync-web-docs--v-refs-pull-339-merge-sslr74gj.web.app
• https://staging-docs-zksync--v-refs-pull-339-merge-sdqbi7wy.web.app

_{(expires Fri, 21 Jul 2023 09:10:14 GMT)}

_{🔥 via Firebase Hosting GitHub Action 🌎}

_{Sign: bb97d4ad5b687ca6af1db8f37bd0ece9a23081d9}

[github-actions[bot]]

:tada: This PR is included in version 2.31.4 :tada:

The release is available on GitHub release

Your semantic-release bot :package::rocket: