add readme

README.md

@@ -0,0 +1,18 @@
+# Pantheon Grid Integration
+
+This plugin allows you to install and use [Pantheon](https://docs.pantheon.pegasys.tech/en/latest/) in [Ethereum Grid](http://grid.ethereum.org).
+
+# Implementation
+`index.js`
+```
+
+```
+
+# How to use
+- [Download Grid](https://grid.ethereum.org/)
+- Run Grid
+- Click on settings icon
+- Click on edit config
+- Add TODO
+- Click Save
+- Click Restart