Add initial Microsoft Teams support

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

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

@@ -0,0 +1,17 @@
+// Code generated by msgraph-generate.go DO NOT EDIT.
+
+package msgraph
+
+// TeamsTabConfiguration undocumented
+type TeamsTabConfiguration struct {
+	// Object is the base model of TeamsTabConfiguration
+	Object
+	// EntityID undocumented
+	EntityID *string `json:"entityId,omitempty"`
+	// ContentURL undocumented
+	ContentURL *string `json:"contentUrl,omitempty"`
+	// RemoveURL undocumented
+	RemoveURL *string `json:"removeUrl,omitempty"`
+	// WebsiteURL undocumented
+	WebsiteURL *string `json:"websiteUrl,omitempty"`
+}