docs(readme): additional warning about the `secureURLToken` parameter

[gmp]

Description

Added a warning about using the secureURLToken option only on the server. In doing so, I realized there's a similar warning in the browser example right above it. 🤷

Checklist: Fixing typos/Doc change

• [x] Each commit follows the Conventional Commit format: e.g. chore(readme): fix typo. See the end of this file for more information.

[commit-lint[bot]]

Documentation

• readme: Additional warning about the secureURLToken parameter (3de79f9)

Contributors

gmp

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