Enable Elliptic Curve Supported Point Formats

Enables parsing the elliptic curve supported points format extension.

https://www.rfc-editor.org/rfc/rfc8422.html#section-5.1.2

Signed-off-by: Daniel Mangum <georgedanielmangum@gmail.com>

Author: hasheddan

pkg/protocol/extension/extension.go

@@ -64,6 +64,8 @@ func Unmarshal(buf []byte) ([]Extension, error) {
 			err = unmarshalAndAppend(buf[offset:], &ServerName{})
 		case SupportedEllipticCurvesTypeValue:
 			err = unmarshalAndAppend(buf[offset:], &SupportedEllipticCurves{})
+		case SupportedPointFormatsTypeValue:
+			err = unmarshalAndAppend(buf[offset:], &SupportedPointFormats{})
 		case UseSRTPTypeValue:
 			err = unmarshalAndAppend(buf[offset:], &UseSRTP{})
 		case ALPNTypeValue: