Merge branch 'initial_examples' into 'master'

Initial addition of example files

Some simple content we can use for trainings. This is more structured than the random repository and random edits we (me) utilizes currently.

cc/ @JobV @patricio @balameb 

See merge request !1

bugs.rb

+class Person
+  attr_reader :name, :email
+
+  def initialize(name, email)
+    @name  = name
+    @email = email
+  end
+
+  ## TODO: Fix the misspelled method name below.
+  def frist_name
+    'Jane'
+  end
+
+  # Duplicate attr_readers.
+  # TODO: Remove these comments and the 2 methods below.
+  def name
+    @name
+  end
+
+  def email
+    @email
+  end
+end

conflicts.rb

+class HelloWorld
+  def initialize
+    output_lines
+  end
+
+  def output_lines
+    puts 'Line1'
+    puts 'Line2'
+    puts 'Line3'
+  end
+end

edit_this_file.rb

+class HelloWorld
+  def initialize(name)
+    @name = name.capitalize
+  end
+
+  def say_hi
+    puts "Hello #{@name}!"
+  end
+
+  # TODO: Remove this comment and the method below.
+  def say_bye
+    puts "Good-bye #{@name}!"
+  end
+end