🚀 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

api/models/schema/fileSchema.js

@@ -1,3 +1,4 @@
+const { FileSources } = require('librechat-data-provider');
 const mongoose = require('mongoose');
 
 /**
@@ -12,6 +13,7 @@ const mongoose = require('mongoose');
  * @property {'file'} object - Type of object, always 'file'
  * @property {string} type - Type of file
  * @property {number} usage - Number of uses of the file
+ * @property {string} [source] - The source of the file
  * @property {number} [width] - Optional width of the file
  * @property {number} [height] - Optional height of the file
  * @property {Date} [expiresAt] - Optional height of the file
@@ -42,11 +44,6 @@ const fileSchema = mongoose.Schema(
       type: Number,
       required: true,
     },
-    usage: {
-      type: Number,
-      required: true,
-      default: 0,
-    },
     filename: {
       type: String,
       required: true,
@@ -64,6 +61,15 @@ const fileSchema = mongoose.Schema(
       type: String,
       required: true,
     },
+    usage: {
+      type: Number,
+      required: true,
+      default: 0,
+    },
+    source: {
+      type: String,
+      default: FileSources.local,
+    },
     width: Number,
     height: Number,
     expiresAt: {