Add initial Microsoft Teams support

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

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

@@ -0,0 +1,19 @@
+// Code generated by msgraph-generate.go DO NOT EDIT.
+
+package msgraph
+
+import "time"
+
+// AssignedPlan undocumented
+type AssignedPlan struct {
+	// Object is the base model of AssignedPlan
+	Object
+	// AssignedDateTime undocumented
+	AssignedDateTime *time.Time `json:"assignedDateTime,omitempty"`
+	// CapabilityStatus undocumented
+	CapabilityStatus *string `json:"capabilityStatus,omitempty"`
+	// Service undocumented
+	Service *string `json:"service,omitempty"`
+	// ServicePlanID undocumented
+	ServicePlanID *UUID `json:"servicePlanId,omitempty"`
+}