Add initial Microsoft Teams support

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

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

@@ -0,0 +1,33 @@
+// Code generated by msgraph-generate.go DO NOT EDIT.
+
+package msgraph
+
+import "time"
+
+// AuditEvent A class containing the properties for Audit Event.
+type AuditEvent struct {
+	// Entity is the base model of AuditEvent
+	Entity
+	// DisplayName Event display name.
+	DisplayName *string `json:"displayName,omitempty"`
+	// ComponentName Component name.
+	ComponentName *string `json:"componentName,omitempty"`
+	// Actor AAD user and application that are associated with the audit event.
+	Actor *AuditActor `json:"actor,omitempty"`
+	// Activity Friendly name of the activity.
+	Activity *string `json:"activity,omitempty"`
+	// ActivityDateTime The date time in UTC when the activity was performed.
+	ActivityDateTime *time.Time `json:"activityDateTime,omitempty"`
+	// ActivityType The type of activity that was being performed.
+	ActivityType *string `json:"activityType,omitempty"`
+	// ActivityOperationType The HTTP operation type of the activity.
+	ActivityOperationType *string `json:"activityOperationType,omitempty"`
+	// ActivityResult The result of the activity.
+	ActivityResult *string `json:"activityResult,omitempty"`
+	// CorrelationID The client request Id that is used to correlate activity within the system.
+	CorrelationID *UUID `json:"correlationId,omitempty"`
+	// Resources Resources being modified.
+	Resources []AuditResource `json:"resources,omitempty"`
+	// Category Audit category.
+	Category *string `json:"category,omitempty"`
+}