Add initial Microsoft Teams support

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

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

@@ -0,0 +1,33 @@
+// Code generated by msgraph-generate.go DO NOT EDIT.
+
+package msgraph
+
+// AssignmentMethod undocumented
+type AssignmentMethod int
+
+const (
+	// AssignmentMethodVStandard undocumented
+	AssignmentMethodVStandard AssignmentMethod = 0
+	// AssignmentMethodVPrivileged undocumented
+	AssignmentMethodVPrivileged AssignmentMethod = 1
+	// AssignmentMethodVAuto undocumented
+	AssignmentMethodVAuto AssignmentMethod = 2
+)
+
+// AssignmentMethodPStandard returns a pointer to AssignmentMethodVStandard
+func AssignmentMethodPStandard() *AssignmentMethod {
+	v := AssignmentMethodVStandard
+	return &v
+}
+
+// AssignmentMethodPPrivileged returns a pointer to AssignmentMethodVPrivileged
+func AssignmentMethodPPrivileged() *AssignmentMethod {
+	v := AssignmentMethodVPrivileged
+	return &v
+}
+
+// AssignmentMethodPAuto returns a pointer to AssignmentMethodVAuto
+func AssignmentMethodPAuto() *AssignmentMethod {
+	v := AssignmentMethodVAuto
+	return &v
+}