Add initial Microsoft Teams support

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

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

@@ -0,0 +1,25 @@
+// Code generated by msgraph-generate.go DO NOT EDIT.
+
+package msgraph
+
+// ManagedAppPinCharacterSet undocumented
+type ManagedAppPinCharacterSet int
+
+const (
+	// ManagedAppPinCharacterSetVNumeric undocumented
+	ManagedAppPinCharacterSetVNumeric ManagedAppPinCharacterSet = 0
+	// ManagedAppPinCharacterSetVAlphanumericAndSymbol undocumented
+	ManagedAppPinCharacterSetVAlphanumericAndSymbol ManagedAppPinCharacterSet = 1
+)
+
+// ManagedAppPinCharacterSetPNumeric returns a pointer to ManagedAppPinCharacterSetVNumeric
+func ManagedAppPinCharacterSetPNumeric() *ManagedAppPinCharacterSet {
+	v := ManagedAppPinCharacterSetVNumeric
+	return &v
+}
+
+// ManagedAppPinCharacterSetPAlphanumericAndSymbol returns a pointer to ManagedAppPinCharacterSetVAlphanumericAndSymbol
+func ManagedAppPinCharacterSetPAlphanumericAndSymbol() *ManagedAppPinCharacterSet {
+	v := ManagedAppPinCharacterSetVAlphanumericAndSymbol
+	return &v
+}