Add initial Microsoft Teams support

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

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

@@ -0,0 +1,27 @@
+// Code generated by msgraph-generate.go DO NOT EDIT.
+
+package msgraph
+
+import "time"
+
+// TeamsUserActivityUserCounts undocumented
+type TeamsUserActivityUserCounts struct {
+	// Entity is the base model of TeamsUserActivityUserCounts
+	Entity
+	// ReportRefreshDate undocumented
+	ReportRefreshDate *time.Time `json:"reportRefreshDate,omitempty"`
+	// ReportDate undocumented
+	ReportDate *time.Time `json:"reportDate,omitempty"`
+	// TeamChatMessages undocumented
+	TeamChatMessages *int `json:"teamChatMessages,omitempty"`
+	// PrivateChatMessages undocumented
+	PrivateChatMessages *int `json:"privateChatMessages,omitempty"`
+	// Calls undocumented
+	Calls *int `json:"calls,omitempty"`
+	// Meetings undocumented
+	Meetings *int `json:"meetings,omitempty"`
+	// OtherActions undocumented
+	OtherActions *int `json:"otherActions,omitempty"`
+	// ReportPeriod undocumented
+	ReportPeriod *string `json:"reportPeriod,omitempty"`
+}