* feat: added support for custom JINA_API_URL
* fixed tests
* chore: Update @librechat/agents dependency to version 2.4.77 in package-lock.json and package.json files
* fix: Update Jina API URL to use environment variable in configuration files
* Refactor AppService, web.ts, and config.ts to replace hardcoded Jina API URL with an environment variable placeholder.
* Ensure consistency across tests and configuration for Jina API URL.
* chore: alphabetical order translation.json
* fix: alphabetical order
---------
Co-authored-by: Danny Avila <danny@librechat.ai>