Add initial Microsoft Teams support

Documentation on https://github.com/42wim/matterbridge/wiki/MS-Teams-setup

vendor/github.com/yaegashi/msgraph.go/beta/FolderViewModel.go

@@ -0,0 +1,15 @@
+// Code generated by msgraph-generate.go DO NOT EDIT.
+
+package msgraph
+
+// FolderView undocumented
+type FolderView struct {
+	// Object is the base model of FolderView
+	Object
+	// SortBy undocumented
+	SortBy *string `json:"sortBy,omitempty"`
+	// SortOrder undocumented
+	SortOrder *string `json:"sortOrder,omitempty"`
+	// ViewType undocumented
+	ViewType *string `json:"viewType,omitempty"`
+}