Update README

Author: shesek

README.md

@@ -1 +1,27 @@
 # WooCommerce Gateway Plugin for Lightning
+
+Gateway plugin to accept Lightning payments at [WooCommerce](https://woocommerce.com) stores,
+based on [Lightning Charge](https://github.com/ElementsProject/lightning-charge).
+
+## Installation
+
+1. Setup [Lightning Charge](https://github.com/ElementsProject/lightning-charge).
+
+2. [Download woocommerce-gateway-lightning.zip](https://github.com/ElementsProject/woocommerce-gateway-lightning/releases)
+
+3. Install and enable the plugin on your WordPress installation.
+
+4. Under the WordPress administration panel, go to `WooCommerce -> Settings -> Checkout -> Lightning` to configure your Lightning Charge server URL and API token.
+
+That's it! The "Bitcoin Lightning" payment option should now be available in your checkout page.
+
+## Screenshots
+
+<img src="https://i.imgur.com/Q67y5l2.png" width="45%"></img>
+<img src="https://i.imgur.com/958Bm64.png" width="45%"></img>
+<img src="https://i.imgur.com/I6zP72M.png" width="45%"></img>
+<a href="https://i.imgur.com/UBCdmLR.png"><img src="https://i.imgur.com/JgwuFSl.png" width="45%"></img></a>
+
+## License
+
+MIT