Add initial Microsoft Teams support

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

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

@@ -0,0 +1,21 @@
+// Code generated by msgraph-generate.go DO NOT EDIT.
+
+package msgraph
+
+import "time"
+
+// PlannerChecklistItem undocumented
+type PlannerChecklistItem struct {
+	// Object is the base model of PlannerChecklistItem
+	Object
+	// IsChecked undocumented
+	IsChecked *bool `json:"isChecked,omitempty"`
+	// Title undocumented
+	Title *string `json:"title,omitempty"`
+	// OrderHint undocumented
+	OrderHint *string `json:"orderHint,omitempty"`
+	// LastModifiedBy undocumented
+	LastModifiedBy *IdentitySet `json:"lastModifiedBy,omitempty"`
+	// LastModifiedDateTime undocumented
+	LastModifiedDateTime *time.Time `json:"lastModifiedDateTime,omitempty"`
+}