Add initial Microsoft Teams support

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

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

@@ -0,0 +1,17 @@
+// Code generated by msgraph-generate.go DO NOT EDIT.
+
+package msgraph
+
+// MailSearchFolder undocumented
+type MailSearchFolder struct {
+	// MailFolder is the base model of MailSearchFolder
+	MailFolder
+	// IsSupported undocumented
+	IsSupported *bool `json:"isSupported,omitempty"`
+	// IncludeNestedFolders undocumented
+	IncludeNestedFolders *bool `json:"includeNestedFolders,omitempty"`
+	// SourceFolderIDs undocumented
+	SourceFolderIDs []string `json:"sourceFolderIds,omitempty"`
+	// FilterQuery undocumented
+	FilterQuery *string `json:"filterQuery,omitempty"`
+}