Added README

README.md

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+# SafetyVantage Coding Challenge
+
+A ranking system for the Snakes & Ladders championship.
+
+## Build
+
+Run the following commands to clone the repository and build the project
+
+```bash
+git clone ssh://git@git.n0m.org:24/n0m/Snakes-And-Ladders.git
+cd Snakes-And-Ladders
+npm install
+npm run build
+```
+
+## Usage
+
+To run the project with the provided sample data, use the following command
+
+```bash
+npm run sample
+```
+
+The project also accepts a number of command line options for using your own game boards, game logs and game configurations. Usage is as follows:
+
+```bash
+Usage: npm start -- boardFile gameLogFile [options]
+  options:
+    -h --help                 Print this message
+    -m --maxPlayersPerGame    Maximum players per game
+    -d --debug                Print stack trace on error
+```
+
+## Authors
+
+- [Ben Ashton](https://git.n0m.org/)