Add yard gem as development dependency

Author: Chris Bloom

Gemfile.lock

@@ -41,6 +41,7 @@ GEM
     rspec_junit_formatter (0.4.1)
       rspec-core (>= 2, < 4, != 2.12.0)
     to_regexp (0.2.1)
+    yard (0.9.26)
 
 PLATFORMS
   ruby
@@ -54,6 +55,7 @@ DEPENDENCIES
   rspec (~> 3.8)
   rspec-benchmark (~> 0.3.0)
   rspec_junit_formatter (~> 0.4)
+  yard (~> 0.9.26)
 
 BUNDLED WITH
    1.17.2

enumpath.gemspec

@@ -41,4 +41,5 @@ Gem::Specification.new do |spec|
   spec.add_development_dependency 'rspec', '~> 3.8'
   spec.add_development_dependency 'rspec-benchmark', '~> 0.3.0'
   spec.add_development_dependency 'rspec_junit_formatter', '~> 0.4'
+  spec.add_development_dependency 'yard', '~> 0.9.26'
 end