INSTALLATION.md in trackler-2.2.1.159

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+You will need the Node Package Manager (npm) to install Reason. Follow the instructions [here](https://www.npmjs.com/get-npm)
+
+Once you have npm, install Reason by:
+```
+npm install -g bs-platform
+```
+
+Reason has integration for a number of editors, see [here](https://reasonml.github.io/docs/en/editor-plugins.html#officially-supported-editors)
+
+Some command line tools (including a REPL allowing you to evaluate Reason expressions in a shell) can be found [here](https://github.com/reasonml/reason-cli)
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