Add initial Microsoft Teams support

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

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

@@ -0,0 +1,19 @@
+// Code generated by msgraph-generate.go DO NOT EDIT.
+
+package msgraph
+
+import "time"
+
+// PlannerPlanContext undocumented
+type PlannerPlanContext struct {
+	// Object is the base model of PlannerPlanContext
+	Object
+	// AssociationType undocumented
+	AssociationType *string `json:"associationType,omitempty"`
+	// CreatedDateTime undocumented
+	CreatedDateTime *time.Time `json:"createdDateTime,omitempty"`
+	// DisplayNameSegments undocumented
+	DisplayNameSegments []string `json:"displayNameSegments,omitempty"`
+	// OwnerAppID undocumented
+	OwnerAppID *string `json:"ownerAppId,omitempty"`
+}