Add some useful info files

README.md

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+# OpenJam Servers
+
+A collection of open source servers for FreeJam games
+
+## Usage
+
+### CardLife
+
+To use get CardLife to use these servers, replace the ServerConfig.json file in the game files with [this ServerConfig.json](assets/cardlife/ServerConfig.json).
+
+### Robocraft
+
+??? (This might require modifying `/etc/hosts`... remember to mention the Windows equivalent)
+
+## Privacy
+
+### Authentication
+
+Due to current technical limitations, CardLife authentication uses your IP address to give you a consistent login user.