Merge pull request #407 from mrdeep1/readme_update

README.md: Add in further information about libcoap

LICENSE

@@ -1,4 +1,4 @@
-Copyright (c) 2010--2017, Olaf Bergmann and others
+Copyright (c) 2010--2019, Olaf Bergmann and others
 All rights reserved.
 
 Redistribution and use in source and binary forms, with or without

README.md

@@ -18,13 +18,50 @@ You might want to check out
 [libcoap-minimal](https://github.com/obgm/libcoap-minimal) for usage
 examples.
 
+DOCUMENTATION
+=============
+
+Documentation and further information can be found at
+<https://libcoap.net>.
+
 PACKAGE CONTENTS
 ================
 
-This directory contains a protocol parser and basic networking
-functions for platform with support for malloc() and BSD-style
-sockets. The examples directory contains a client and a server to
-demonstrate the use of this library.
+This package contains a protocol parser and basic networking
+functions for platforms with support for malloc() and BSD-style
+sockets. In addition, there is support for Contiki, LwIP and
+Espressif/ESP-IDF hosted environments.
+
+The following RFCs are supported
+
+* RFC7252: The Constrained Application Protocol (CoAP)
+
+* RFC7641: Observing Resources in the Constrained Application Protocol (CoAP)
+
+* RFC7959: Block-Wise Transfers in the Constrained Application Protocol (CoAP)
+
+* RFC7967: Constrained Application Protocol (CoAP) Option for No Server Response
+
+* RFC8132: PATCH and FETCH Methods for the Constrained Application Protocol (CoAP)
+
+* RFC8323: CoAP (Constrained Application Protocol) over TCP, TLS, and WebSockets
+
+There is (D)TLS support for the following libraries
+
+* OpenSSL (Minimum verion 1.1.0)
+
+* GnuTLS (Minimum version 3.3.0)
+
+* TinyDTLS
+
+The examples directory contain a CoAP client, CoAP Resource Directory server
+and a CoAP server to demonstrate the use of this library.
+
+BUILDING
+========
+
+Further information can be found at <https://libcoap.net/install.html>
+and [BUILDING](https://raw.githubusercontent.com/obgm/libcoap/develop/BUILDING).
 
 LICENSE INFORMATION
 ===================
@@ -33,5 +70,7 @@ This library is published as open-source software without any warranty
 of any kind. Use is permitted under the terms of the simplified BSD
 license. It includes public domain software. libcoap binaries may also
 include open-source software with their respective licensing terms.
-Please refer to LICENSE for further details.
+Please refer to
+[LICENSE](https://raw.githubusercontent.com/obgm/libcoap/develop/LICENSE)
+for further details.