updated WolfSSL-Manual Chapter 1

added DTLS 1.3 to supported protocols

Author: Sebastian Carpenter

wolfSSL/src/chapter01.md

@@ -10,8 +10,8 @@ You can find the PDF version of this document [here](https://www.wolfssl.com/doc
 
 There are many reasons to choose wolfSSL as your embedded SSL solution. Some of
 the top reasons include size (typical footprint sizes range from 20-100 kB), support for
-the newest standards (SSL 3.0, TLS 1.0, TLS 1.1, TLS 1.2, TLS 1.3, DTLS 1.0, and
-DTLS 1.2), current and progressive cipher support (including stream ciphers), multi-
+the newest standards (SSL 3.0, TLS 1.0, TLS 1.1, TLS 1.2, TLS 1.3, DTLS 1.0, DTLS 1.2,
+and DTLS 1.3), current and progressive cipher support (including stream ciphers), multi-
 platform, royalty free, and an OpenSSL compatibility API to ease porting into existing
 applications which have previously used the OpenSSL package. For a complete feature
 list, see [Features Overview](chapter04.md#features-overview).