🐳 feat: RAG for Default Docker Compose Files + Docs Update (#2246)

* refactor(deploy-compose.yml): use long-syntax to avoid implicit folder creation of librechat.yaml

* refactor(docker-compose.override.yml.example): use long-syntax to avoid implicit folder creation of librechat.yaml

* chore: add simple health check for RAG_API_URL

* chore: improve axios error handling, adding `logAxiosError`

* chore: more informative message detailing RAG_API_URL path

* feat: add rag_api and vectordb to default compose file

* chore(rag.yml): update standalone rag compose file to use RAG_PORT

* chore: documentation updates

* docs: Update rag_api.md with images

* Update rag_api.md

* Update rag_api.md, assistants clarification

* add RAG API note to breaking changes

api/utils/index.js

@@ -1,13 +1,15 @@
 const loadYaml = require('./loadYaml');
 const tokenHelpers = require('./tokens');
 const azureUtils = require('./azureUtils');
+const logAxiosError = require('./logAxiosError');
 const extractBaseURL = require('./extractBaseURL');
 const findMessageContent = require('./findMessageContent');
 
 module.exports = {
-  ...azureUtils,
+  loadYaml,
   ...tokenHelpers,
+  ...azureUtils,
+  logAxiosError,
   extractBaseURL,
   findMessageContent,
-  loadYaml,
 };