add extra files

ruby/soda_methods.rb

@@ -0,0 +1,13 @@
+def order_soda(flavor, size = "medium", quantity = 1)
+    if quantity == 1
+        plural = "soda"
+    else
+        plural = "sodas"
+    end
+    puts "#{quantity} #{size} #{flavor} #{plural}!"
+end
+
+
+order_soda("orange")
+order_soda("lemon-lime", "small", 2)
+order_soda("grape", "large")