Added Rakefile for windows build

.gitignore

@@ -1,2 +1,3 @@
 *.dat
-profile.*
+profile.*
+pkg/*

Rakefile

@@ -0,0 +1,19 @@
+require "releasy"
+require 'bundler/setup' # Releasy requires that your application uses bundler.
+require_relative "lib/version"
+
+Releasy::Project.new do
+  name "I-MIC FPS"
+  version "#{IMICFPS::VERSION}"
+
+  executable "i-mic-fps.rb"
+  files ["lib/**/*.*", "assets/**/*.*", "blends/**/*.*", "shaders/**/*.*"]
+  exclude_encoding # Applications that don't use advanced encoding (e.g. Japanese characters) can save build size with this.
+  verbose
+
+  add_build :windows_folder do
+    # icon "assets/icon.ico"
+    executable_type :console # Assuming you don't want it to run with a console window.
+    add_package :exe # Windows self-extracting archive.
+  end
+end