Basic readme to go with the plugin's first iteration

readme.txt

+=== ETH Escape HeadSpace2 ===
+Contributors: ethitter
+Donate link: https://ethitter.com/
+Tags: seo, meta tags
+Requires at least: 4.4
+Tested up to: 4.4
+Stable tag: 0.1
+License: GPLv2 or later
+License URI: http://www.gnu.org/licenses/gpl-2.0.html
+
+Output existing HeadSpace2 data without the original plugin. Allows HeadSpace2 (no longer maintained) to be deactivated without impactacting legacy content.
+
+== Description ==
+
+Outputs data stored in HeadSpace2 post meta without requiring HeadSpace2. This allows one to remove the now-unmaintained HeadSpace2 plugin without losing the data associated with legacy content.
+
+Note that many current SEO plugins for WordPress also handle migration, but since I don't use any such plugins on my network, I created this alternative.
+
+== Installation ==
+
+1. Upload the plugin files to the `/wp-content/plugins/eth-escape-headspace` directory, or install the plugin through the WordPress plugins screen directly.
+1. Activate the plugin through the 'Plugins' screen in WordPress
+
+== Frequently Asked Questions ==
+
+= Can I modify existing data using this plugin? =
+
+No. If you need to update entries, reinstall HeadSpace2 or modify the values directly in the database.
+
+== Changelog ==
+
+= 0.1 =
+* Initial release