Update 'README.md'

README.md

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-# ld40
-Ludum Dare 40 - Theme : "The more you have, the worse it is"
+# Tafl
+
+This game was implemented using haxe with the heaps game engine. 
+
+## Steps to Run
+
+1. Open the code in visual studio code 
+2. Create default build task
+3. Compile using "haxe: Active Configuration"
+4. Run the task using F5
+
+[More detailed explanation on how to run](https://heaps.io/documentation/hello-world.html)
+
+## Game Rules
+
+[Rulebook](http://tafl.cyningstan.com/page/20/a-rule-book-for-hnefatafl)
+