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/boards/model/sharing.go

@@ -0,0 +1,39 @@
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
+package model
+
+import (
+	"encoding/json"
+	"io"
+)
+
+// Sharing is sharing information for a root block
+// swagger:model
+type Sharing struct {
+	// ID of the root block
+	// required: true
+	ID string `json:"id"`
+
+	// Is sharing enabled
+	// required: true
+	Enabled bool `json:"enabled"`
+
+	// Access token
+	// required: true
+	Token string `json:"token"`
+
+	// ID of the user who last modified this
+	// required: true
+	ModifiedBy string `json:"modifiedBy"`
+
+	// Updated time in miliseconds since the current epoch
+	// required: true
+	UpdateAt int64 `json:"update_at,omitempty"`
+}
+
+func SharingFromJSON(data io.Reader) Sharing {
+	var sharing Sharing
+	_ = json.NewDecoder(data).Decode(&sharing)
+	return sharing
+}