Mono repo -> Master (#22553)

Combines the following repositories into one:

https://github.com/mattermost/mattermost-server
https://github.com/mattermost/mattermost-webapp
https://github.com/mattermost/focalboard
https://github.com/mattermost/mattermost-plugin-playbooks

server/channels/api4/upload_local.go

@@ -0,0 +1,10 @@
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
+package api4
+
+func (api *API) InitUploadLocal() {
+	api.BaseRoutes.Uploads.Handle("", api.APILocal(createUpload)).Methods("POST")
+	api.BaseRoutes.Upload.Handle("", api.APILocal(getUpload)).Methods("GET")
+	api.BaseRoutes.Upload.Handle("", api.APILocal(uploadData)).Methods("POST")
+}