Clarify license

Author: cbetta

Gemfile

@@ -1,6 +1,6 @@
 source 'https://rubygems.org'
 
-ruby '2.4.1'
+ruby '2.4.2'
 
 gem 'rails'
 gem 'pg'

Gemfile.lock

@@ -212,7 +212,7 @@ DEPENDENCIES
   validate_url
 
 RUBY VERSION
-   ruby 2.4.1p111
+   ruby 2.4.2p198
 
 BUNDLED WITH
-   1.15.3
+   1.15.4

LICENSE

@@ -0,0 +1,21 @@
+MIT License
+
+Copyright (c) 2017 Cristiano Betta
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.

app/views/pages/_credits.html.erb

@@ -16,4 +16,8 @@
     The Hack Code of Conduct is inspired by and indebted to
     the <a href='http://confcodeofconduct.com/'>Conference Code of Conduct</a>.
   </p>
+
+  <p>
+    The textual content of this Code of Conduct is available under <a href='https://creativecommons.org/publicdomain/zero/1.0/'>Creative Commons 0 (CC0)</a>. The application that powers this site is available under the <a href='https://github.com/cbetta/hackcoc/blob/master/LICENSE'>MIT license</a>.
+  </p>
 </div>