Create readme

README.md

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+# EventCenterPlugin
+
+(WIP) Subscribe to events. 
+
+I tried Redis PubSub first, but the plugin I found was buggy. I'm trying WebSockets now.
+
+## Installation
+
+Here are the plugins I use:
+
+* [SDRedis](https://www.unrealengine.com/marketplace/en-US/product/sdredis) (paid/commercial) - this is flaky and disconnects. Attempts to reconnect segfault. 
+* [BlueprintWebSocket](https://www.unrealengine.com/marketplace/en-US/product/blueprintwebsocket) (paid/commercial) - much better docs. Untested. 
+
+## Python testing
+
+I stand up a websocket+pubsub system like so:
+
+```
+PS C:\Users\echel\OneDrive\Documents\Unreal Projects\RedisTestProject\Plugins\EventCenterPlugin> .\python\Scripts\Activate.ps1
+```