update readme

mmasiukevich · mmasiukevich · commit 49daa234ae97 · 2019-02-15T16:20:47.000+03:00
diff --git a/README.md b/README.md
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+What is it?
+
+Scheduler implementation
+
+[@see Scheduler module](https://github.com/php-service-bus/module-scheduler)
