🚀 Feat: Streamline File Strategies & GPT-4-Vision Settings (#1535)

* chore: fix `endpoint` typescript issues and typo in console info message

* feat(api): files GET endpoint and save only file_id references to messages

* refactor(client): `useGetFiles` query hook, update file types, optimistic update of filesQuery on file upload

* refactor(buildTree): update to use params object and accept fileMap

* feat: map files to messages; refactor(ChatView): messages only available after files are fetched

* fix: fetch files only when authenticated

* feat(api): AppService
- rename app.locals.configs to app.locals.paths
- load custom config use fileStrategy from yaml config in app.locals

* refactor: separate Firebase and Local strategies, call based on config

* refactor: modularize file strategies and employ with use of DALL-E

* refactor(librechat.yaml): add fileStrategy field

* feat: add source to MongoFile schema, as well as BatchFile, and ExtendedFile types

* feat: employ file strategies for upload/delete files

* refactor(deleteFirebaseFile): add user id validation for firebase file deletion

* chore(deleteFirebaseFile): update jsdocs

* feat: employ strategies for vision requests

* fix(client): handle messages with deleted files

* fix(client): ensure `filesToDelete` always saves/sends `file.source`

* feat(openAI): configurable `resendImages` and `imageDetail`

* refactor(getTokenCountForMessage): recursive process only when array of Objects and only their values (not keys) aside from `image_url` types

* feat(OpenAIClient): calculateImageTokenCost

* chore: remove comment

* refactor(uploadAvatar): employ fileStrategy for avatars, from social logins or user upload

* docs: update docs on how to configure fileStrategy

* fix(ci): mock winston and winston related modules, update DALLE3.spec.js with changes made

* refactor(redis): change terminal message to reflect current development state

* fix(DALL-E-2): pass fileStrategy to dall-e

docs/install/configuration/custom_config.md

@@ -69,20 +69,26 @@ docker-compose up # no need to rebuild
 
 **Note:** Fields not specifically mentioned as required are optional.
 
-### 1. Version
+### Version
 - **Key**: `version`
 - **Type**: String
 - **Description**: Specifies the version of the configuration file.
-- **Example**: `version: 1.0.0`
+- **Example**: `version: 1.0.1`
 - **Required**
 
-### 2. Cache Settings
+### Cache Settings
 - **Key**: `cache`
 - **Type**: Boolean
 - **Description**: Toggles caching on or off. Set to `true` to enable caching.
 - **Example**: `cache: true`
 
-### 3. Endpoints
+### File Strategy
+- **Key**: `fileStrategy`
+- **Type**: String = "local" | ["firebase"](../../features/firebase.md)
+- **Description**: Determines where to save user uploaded/generated files. Defaults to `"local"` if omitted.
+- **Example**: `fileStrategy: "firebase"`
+
+### Endpoints
 - **Key**: `endpoints`
 - **Type**: Object
 - **Description**: Defines custom API endpoints for the application.
@@ -290,7 +296,7 @@ Custom endpoints share logic with the OpenAI endpoint, and thus have default par
 ## Example Config
 
 ```yaml
-version: 1.0.0
+version: 1.0.1
 cache: true
 endpoints:
   custom: