Add .pryrc support

lib/linguist/languages.yml

@@ -1876,6 +1876,7 @@ Ruby:
   - .irbrc
   - .mspec
   - .podspec
+  - .pryrc
   - .rbuild
   - .rbw
   - .rbx

samples/Ruby/.pryrc

@@ -0,0 +1,19 @@
+Pry.config.commands.import Pry::ExtendedCommands::Experimental
+
+Pry.config.pager = false
+
+Pry.config.color = false
+
+Pry.config.commands.alias_command "lM", "ls -M"
+
+Pry.config.commands.command "add", "Add a list of numbers together" do |*args|
+  output.puts "Result is: #{args.map(&:to_i).inject(&:+)}"
+end
+
+Pry.config.history.should_save = false
+
+Pry.config.prompt = [proc { "input> " },
+                     proc { "     | " }]
+
+# Disable pry-buggy-plug:
+Pry.plugins["buggy-plug"].disable!