Merge pull request #332 from mlinksva/rst

Nominally support README.rst

lib/licensee/project_files/readme_file.rb

@@ -1,7 +1,7 @@
 module Licensee
   module ProjectFiles
     class ReadmeFile < Licensee::ProjectFiles::LicenseFile
-      EXTENSIONS = %w[md markdown mdown txt rdoc].freeze
+      EXTENSIONS = %w[md markdown mdown txt rdoc rst].freeze
       SCORES = {
         /\AREADME\z/i                                       => 1.0,
         /\AREADME\.(#{Regexp.union(EXTENSIONS).source})\z/i => 0.9

spec/licensee/project_files/readme_file_spec.rb

@@ -12,6 +12,7 @@ RSpec.describe Licensee::ProjectFiles::ReadmeFile do
       'readme.txt'   => 0.9,
       'readme.mdown' => 0.9,
       'readme.rdoc'  => 0.9,
+      'readme.rst'   => 0.9,
       'LICENSE'      => 0.0
     }.each do |filename, expected_score|
       context "with a file named #{filename}" do