Update readme.rst

Author: vEpiphyte

Diff for: README.rst

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 synapse-workflow-examples
 =========================
 
-Placeholder text.
+This repository contains the source of the `synapse-workflow-examples <https://synapse.docs.vertex.link/projects/rapid-powerups/en/latest/storm-packages/synapse-workflow-examples/index.html>`_ Rapid Power-Up.
+
+These workflows can be used as a reference for building your Optic workflows when writing your own Power-Ups.
+
+Since these are the original source files for the Power-Up, they may contain additional information such as comments or YAML anchors.