Add initial Microsoft Teams support

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

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

@@ -0,0 +1,41 @@
+// Code generated by msgraph-generate.go DO NOT EDIT.
+
+package msgraph
+
+// Sensitivity undocumented
+type Sensitivity int
+
+const (
+	// SensitivityVNormal undocumented
+	SensitivityVNormal Sensitivity = 0
+	// SensitivityVPersonal undocumented
+	SensitivityVPersonal Sensitivity = 1
+	// SensitivityVPrivate undocumented
+	SensitivityVPrivate Sensitivity = 2
+	// SensitivityVConfidential undocumented
+	SensitivityVConfidential Sensitivity = 3
+)
+
+// SensitivityPNormal returns a pointer to SensitivityVNormal
+func SensitivityPNormal() *Sensitivity {
+	v := SensitivityVNormal
+	return &v
+}
+
+// SensitivityPPersonal returns a pointer to SensitivityVPersonal
+func SensitivityPPersonal() *Sensitivity {
+	v := SensitivityVPersonal
+	return &v
+}
+
+// SensitivityPPrivate returns a pointer to SensitivityVPrivate
+func SensitivityPPrivate() *Sensitivity {
+	v := SensitivityVPrivate
+	return &v
+}
+
+// SensitivityPConfidential returns a pointer to SensitivityVConfidential
+func SensitivityPConfidential() *Sensitivity {
+	v := SensitivityVConfidential
+	return &v
+}