DEVELOPMENT_PROCESS.md in u3d-1.0.12 vs DEVELOPMENT_PROCESS.md in u3d-1.0.13

@@ -7,5 +7,15 @@
 * make a release
 
 `rake release`
 
 `rake bump`
+
+= release of the fastlane plugin
+
+`cd fastlane-plugin-u3d`
+
+bump the version in `lib/fastlane/plugin/u3d/version.rb`
+
+`bundle exec rake release`
+
+see https://docs.fastlane.tools/plugins/create-plugin/#rubygems
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