--- /dev/null
+# Prerequisites to contributing
+
+## Technical
+
+- [Node.js](https://nodejs.org/en/) 4.2.1+.
+- Latest [npm](https://www.npmjs.com/).
+
+## Rules of thumb
+
+1. Never push directly to `master` (except when updating the CHANGELOG). If you need to change something — create PR, even if it's a one letter change.