add a flood with files example

examples/flood_files.rb

@@ -0,0 +1,19 @@
+$LOAD_PATH.unshift(File.join(File.dirname(__FILE__), '..', 'lib'))
+require 'ruby-jmeter'
+
+test do
+  threads count: 1 do
+    visit name: 'Home', url: 'https://flooded.io'
+  end
+end.flood ENV['FLOOD_API_TOKEN'],
+  privacy: 'public',
+  name: ENV['FLOOD_NAME'] ||= 'Simple Demo',
+  project: 'workspace',
+  region: ENV['REGION'] ||= 'us-west-2',
+  override_parameters: '-Dsun.net.inetaddr.ttl=30',
+  files: [
+    "#{Dir.pwd}/data1.csv",
+    "#{Dir.pwd}/data2.csv",
+    "#{Dir.pwd}/data3.csv",
+    "#{Dir.pwd}/data4.csv"
+  ]