Add rubywarrior tutorial

ruby/rubywarrior/tim-beginner/.idea/.name

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+RubyWarrior

ruby/rubywarrior/tim-beginner/.profile

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ruby/rubywarrior/tim-beginner/README

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+Level 1
+
+You see before yourself a long hallway with stairs at the end. There is nothing in the way.
+
+Tip: Call warrior.walk! to walk forward in the Player 'play_turn' method.
+
+ --------
+|@      >|
+ --------
+
+  > = Stairs
+  @ = Tim (20 HP)
+
+
+Warrior Abilities:
+
+  warrior.walk!
+    Move in the given direction (forward by default).
+
+
+When you're done editing player.rb, run the rubywarrior command again.

ruby/rubywarrior/tim-beginner/RubyWarrior.iml

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+<?xml version="1.0" encoding="UTF-8"?>
+<module type="RUBY_MODULE" version="4">
+  <component name="NewModuleRootManager" inherit-compiler-output="true">
+    <exclude-output />
+    <content url="file://$MODULE_DIR$" />
+    <orderEntry type="jdk" jdkName="ruby-2.2.5-p319" jdkType="RUBY_SDK" />
+    <orderEntry type="sourceFolder" forTests="false" />
+  </component>
+</module>

ruby/rubywarrior/tim-beginner/player.rb

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+class Player
+  def play_turn(warrior)
+    warrior.walk!
+  end
+end