Add performance benchmarking scripts

Add scripts that were used to generate a halfway realistic
set of inputs

scripts/generate_input.rb

@@ -0,0 +1,13 @@
+require 'date'
+
+def build(n)
+  shipping_options = ['S', 'M', 'L']
+  provider = ['MR', 'LP']
+  today = Date.today
+  n.times do |n|
+    today + (n / 100.to_f)
+    puts "#{(today + n).iso8601} #{shipping_options.sample} #{provider.sample}"
+  end
+end
+
+build(ARGV[0].to_i)

scripts/generate_input_month_focused.rb

@@ -0,0 +1,13 @@
+require 'date'
+
+def build(n)
+  shipping_options = ['S', 'M', 'L']
+  provider = ['MR', 'LP']
+  today = Date.today
+  n.times do |i|
+    date = today + (i / 10000.to_f)
+    puts "#{date.iso8601} #{shipping_options.sample} #{provider.sample}"
+  end
+end
+
+build(ARGV[0].to_i)

scripts/raw_performance_benchmark.rb

@@ -0,0 +1,7 @@
+File.open('./output.txt', 'w') do |f|
+  File.foreach(ARGV[0]) do |line|
+    f.write(line)
+  end
+end
+
+