Add initial Microsoft Teams support

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

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

@@ -0,0 +1,19 @@
+// Code generated by msgraph-generate.go DO NOT EDIT.
+
+package msgraph
+
+// WebApplication undocumented
+type WebApplication struct {
+	// Object is the base model of WebApplication
+	Object
+	// HomePageURL undocumented
+	HomePageURL *string `json:"homePageUrl,omitempty"`
+	// RedirectUris undocumented
+	RedirectUris []string `json:"redirectUris,omitempty"`
+	// Oauth2AllowImplicitFlow undocumented
+	Oauth2AllowImplicitFlow *bool `json:"oauth2AllowImplicitFlow,omitempty"`
+	// LogoutURL undocumented
+	LogoutURL *string `json:"logoutUrl,omitempty"`
+	// ImplicitGrantSettings undocumented
+	ImplicitGrantSettings *ImplicitGrantSettings `json:"implicitGrantSettings,omitempty"`
+}