Enhance UI consistency and styling across components

[Hiren-fyers]

• Updated Tailwind CSS configuration to include Figma theme colors for improved design coherence.
• Added Figma-related CSS imports in main entry file for better styling integration.
• Refined component styles in Chat, Nav, and TemplatesView for enhanced visual consistency and user experience.
• Adjusted button and input styles for improved alignment and responsiveness across various components.
• Updated .gitignore to include optional Figma CSS export file.

Pull Request Template

⚠️ Before Submitting a PR, Please Review:

• Please ensure that you have thoroughly read and understood the Contributing Docs before submitting your Pull Request.

⚠️ Documentation Updates Notice:

• Kindly note that documentation updates are managed in this repository: librechat.ai

Summary

Please provide a brief summary of your changes and the related issue. Include any motivation and context that is relevant to your changes. If there are any dependencies necessary for your changes, please list them here.

Change Type

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• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to not work as expected)
• This change requires a documentation update
• Translation update

Testing

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Test Configuration:

Checklist

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• My code adheres to this project's style guidelines
• I have performed a self-review of my own code
• I have commented in any complex areas of my code
• I have made pertinent documentation changes
• My changes do not introduce new warnings
• I have written tests demonstrating that my changes are effective or that my feature works
• Local unit tests pass with my changes
• Any changes dependent on mine have been merged and published in downstream modules.
• A pull request for updating the documentation has been submitted.

[github-actions]

🚨 Unused i18next Keys Detected

The following translation keys are defined in translation.json but are not used in the codebase:

• com_auth_error_oauth_failed
• com_auth_no_account
• com_auth_sign_up
• com_endpoint_message_new
• com_nav_auto_scroll
• com_nav_center_chat_input
• com_nav_commands
• com_nav_enter_to_send
• com_nav_hide_panel
• com_nav_info_enter_to_send
• com_nav_info_latex_parsing
• com_nav_info_save_draft
• com_nav_keep_screen_awake
• com_nav_latex_parsing
• com_nav_modular_chat
• com_nav_save_drafts
• com_nav_setting_account
• com_nav_setting_data
• com_nav_setting_general
• com_nav_setting_personalization
• com_nav_setting_speech
• com_nav_show_code
• com_nav_user_msg_markdown
• com_sidepanel_conversation_tags
• com_ui_archive_error
• com_ui_happy_birthday
• com_ui_redirecting_to_provider

⚠️ Please remove these unused keys to keep the translation files clean.

[github-actions]

🚨 Unused NPM Packages Detected

The following unused dependencies were found:

📂 Root package.json

• 18
• @opentelemetry/exporter-trace-otlp-http

📂 Client client/package.json

• winston-daily-rotate-file

📂 API api/package.json

• compressible
• oauth4webapi

⚠️ Please remove these unused dependencies to keep your project clean.