🔗 feat: Custom Jina API URL for Web Search Reranking (#9236)

* 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>

librechat.example.yaml

@@ -350,6 +350,24 @@ endpoints:
 # # See the Custom Configuration Guide for more information on Assistants Config:
 # # https://www.librechat.ai/docs/configuration/librechat_yaml/object_structure/assistants_endpoint
 
+# Web Search Configuration (optional)
+# webSearch:
+#   # Jina Reranking Configuration
+#   jinaApiKey: '${JINA_API_KEY}'  # Your Jina API key
+#   jinaApiUrl: '${JINA_API_URL}'  # Custom Jina API URL (optional, defaults to https://api.jina.ai/v1/rerank)
+#   
+#   # Other rerankers
+#   cohereApiKey: '${COHERE_API_KEY}'
+#   
+#   # Search providers
+#   serperApiKey: '${SERPER_API_KEY}'
+#   searxngInstanceUrl: '${SEARXNG_INSTANCE_URL}'
+#   searxngApiKey: '${SEARXNG_API_KEY}'
+#   
+#   # Content scrapers
+#   firecrawlApiKey: '${FIRECRAWL_API_KEY}'
+#   firecrawlApiUrl: '${FIRECRAWL_API_URL}'
+
 # Memory configuration for user memories
 # memory:
 #   # (optional) Disable memory functionality