Add a readme.

Author: paytonrules

README.md

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+# Hangman in Java - for code sparring.
+
+This program tries to solve a game of hangman. It doesn't do a very good job - it's your job to fork it and create a new solution for it.
+
+## How To
+
+Fork this repo then clone it. To run the tests:
+
+```bash
+mvn test
+```
+
+Tough stuff. To run the program:
+
+```bash
+mvn package
+java -jar target/Hangman-1.jar
+```
+
+When you run the program you'll see something like this:
+
+```bash
+Erics-MacBook-Pro:HangmanJava paytonrules$ java -jar target/Hangman-1.jar
+Current Clue Is _ _ _ _ _
+Current Clue Is _ _ _ _ _
+Current Clue Is _ _ _ _ _
+Current Clue Is _ _ _ _ _
+Current Clue Is _ _ _ _ _
+Current Clue Is _ _ _ _ _
+Current Clue Is _ _ _ _ _
+Current Clue Is _ _ _ _ _
+Current Clue Is _ _ _ _ _
+com.hangman.Game Over
+```
+
+What this means is is that the clue length was five characters, and your player successfully guessed....nothing. To see why let's take a look at YourPlayer.java.
+
+```java
+public class YourPlayer implements Player {
+  @Override
+  public char GetGuess(List<Character> clue) {
+    return 'a';
+  }
+}
+```
+
+That's right `YourPlayer` - regardless of the clue - will guess the letter `a`. If it got `a` right, it guessed `a`. Wrong? `a`. It's a pretty stupid player.
+
+So to complete this exercise you will need to delete return 'a' - and instead return better guesses. How? Well look the parameter:
+
+`List<Character> clue`. The clue is exactly what you're seeing on screen. It is an array of characters where the '_' character means that you haven't gotten that location correct yet.
+
+This stumps people so let's go through an example. Let's assume the secret word is "aaron". The first time GetGuess is called it will get:
+
+`['_', '_', '_', '_', '_']`
+
+`YourPlayer` will guess 'a'. The next time GuetGuess is called it will look like:
+
+`['a', 'a', '_', '_', '_']`
+
+Naturally `YourPlayer` will guess 'a' again, because it is stupid. To complete this exercise you need to make `YourPlayer` good at hangman.
+
+## Tips
+
+* Maybe keep track of what you've guessed.
+* Vowels are good.
+* Your testing WILL BE GRADED!