ADD: SignedUrls for documents, mainImage and images

ADD: Bucket and Upload System
ADD: New errors
ADD: Virtuals for categories
ADD: Features system
ADD: File management system

middlewares/multerMiddleware.js

@@ -0,0 +1,24 @@
+const multer = require('multer')
+const AppError = require('../globalErrorHandler/AppError')
+
+const types = ['png', 'jpg', 'jpeg', 'webp']
+const formatsText = types.join(' - ')
+
+const fileFilter = (req, file, cb) => {
+    if (types.includes(file.mimetype.split('/')[1])) cb(null, true)
+    else
+        cb(
+            new AppError('UnsupportedFileForUpload', 400, {
+                formats: formatsText,
+            }),
+            false
+        )
+}
+
+const upload = multer({
+    dest: './uploads/',
+    fileFilter,
+    limits: { fileSize: 10000000 },
+})
+
+module.exports = upload