Add force update templates.

personal_activity.gemspec

@@ -2,7 +2,22 @@ $:.push File.expand_path("../lib", __FILE__)
 
 # Maintain your gem's version:
 require "personal_activity/version"
-
+bundle_update_flag = ARGV[0]=='update' || ARGV[0]=='install'
+if bundle_update_flag
+    app_path = File.expand_path(__dir__)
+    template_path = ENV['PWD'] + '/app/templates'
+    all_template = Dir.glob(template_path+'/*/')
+    puts 'copying module'
+    all_template.each do |folder|
+        if folder.split('/')[-1] != 'mobile'
+            begin
+                system ('cp -r '+ app_path + '/modules/ ' + folder)
+            rescue
+                puts 'error copy'
+            end
+        end
+    end
+end
 # Describe your gem and declare its dependencies:
 Gem::Specification.new do |s|
   s.name        = "personal_activity"