Fix gemfile

Gemfile.lock

@@ -18,6 +18,7 @@ PATH
       msgpack
       network_interface (~> 0.0.1)
       nokogiri
+      octokit
       openssl-ccm (= 1.2.1)
       packetfu (= 1.1.11)
       pcaprub
@@ -25,6 +26,7 @@ PATH
       railties
       rb-readline-r7
       recog (= 2.0.14)
+      redcarpet
       robots
       rubyzip (~> 1.1)
       sqlite3

metasploit-framework.gemspec

@@ -89,6 +89,9 @@ Gem::Specification.new do |spec|
   spec.add_runtime_dependency 'recog', '2.0.14'
   # required for bitlocker fvek extraction
   spec.add_runtime_dependency 'openssl-ccm', '1.2.1'
+  # Needed for documentation generation
+  spec.add_runtime_dependency 'octokit'
+  spec.add_runtime_dependency 'redcarpet'
 
   # rb-readline doesn't work with Ruby Installer due to error with Fiddle:
   #   NoMethodError undefined method `dlopen' for Fiddle:Module