Add initial Microsoft Teams support

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

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

@@ -0,0 +1,17 @@
+// Code generated by msgraph-generate.go DO NOT EDIT.
+
+package msgraph
+
+// PlannerBucket undocumented
+type PlannerBucket struct {
+	// PlannerDelta is the base model of PlannerBucket
+	PlannerDelta
+	// Name undocumented
+	Name *string `json:"name,omitempty"`
+	// PlanID undocumented
+	PlanID *string `json:"planId,omitempty"`
+	// OrderHint undocumented
+	OrderHint *string `json:"orderHint,omitempty"`
+	// Tasks undocumented
+	Tasks []PlannerTask `json:"tasks,omitempty"`
+}