README and LICENCE improvement

1. Added LICENCE file
2. Add author, contributing and licence section to README.md.
3. Fix minor markdown mistake.

LICENCE

@@ -0,0 +1,27 @@
+Copyright (c) 2015 Yeung Shu Hung and the Go Authors. All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are
+met:
+
+   * Redistributions of source code must retain the above copyright
+notice, this list of conditions and the following disclaimer.
+   * Redistributions in binary form must reproduce the above
+copyright notice, this list of conditions and the following disclaimer
+in the documentation and/or other materials provided with the
+distribution.
+   * Neither the name of Google Inc. nor the names of its
+contributors may be used to endorse or promote products derived from
+this software without specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

README.md

@@ -1,13 +1,14 @@
 gofast
 ======
 
-*gofast* is a [FastCGI](http://www.fastcgi.com/devkit/doc/fcgi-spec.html)
-client written purely in go.
+**gofast** is a [FastCGI](http://www.fastcgi.com/devkit/doc/fcgi-spec.html)
+client library written purely in go.
 
 
 Why?
 ----
-Many popular languages (e.g. Python, PHP, Ruby) has FastCGI server
+Many popular languages (e.g. [Python][python/webservers],
+[PHP][php-fpm], [Ruby][rubygem/fcgi]) has FastCGI server
 implementations. Developer used to proxy Nginx or Apache requests
 to these FastCGI backend. What if go developers can use these
 languages through the same protocol?
@@ -17,3 +18,39 @@ other languages support FastCGI. The only limit is your imagination.
 
 Also, this is fun to do :-)
 
+[php-fpm]: http://php.net/manual/en/install.fpm.php
+[rubygem/fcgi]: https://rubygems.org/gems/fcgi/versions/0.9.2.1
+[python/webservers]: https://docs.python.org/2/howto/webservers.html
+
+Author
+------
+
+This library is written by [Koala Yeung][author@github].
+
+[author@github]: https://github.com/yookoala/
+
+
+Contirbuting
+------------
+
+Your are welcome to contribute to this library.
+
+To report bug, please use the [issue tracker][issue tracker].
+
+To fix an existing bug or implement a new feature, please:
+1. Check the [issue tracker][issue tracker] and [pull requests][pull requests] for existing discussion.
+2. If not, please open a new issue for discussion.
+3. Write tests.
+4. Open a pull request referencing the issue.
+5. Have fun :-)
+
+[issue tracker]: https://github.com/yookoala/gofast/issues
+[pull requests]: https://github.com/yookoala/gofast/pulls
+
+Licence
+-------
+
+This library is release under a BSD-like licence. Please find the
+[LICENCE][LICENCE] file in this repository
+
+[LICENCE]: /LICENCE