Update readme with more details

README.md

@@ -1,12 +1,28 @@
 # Rock Paper Scissors
 
-## Example
+An example package used to demonstrate dependencies in [DGMD E-2 Web Programming for Beginners with PHP](https://hesweb.dev/e2).
+
+
+
+## Installation
+```php
+composer require susanbuck/rock-paper-scissors
+```
+
+
+## Usage
 ```php
+require __DIR__.'/vendor/autoload.php';
+
+use RPS\Game;
+
 $game = new Game();
 
+# Eack invocation of the `play` method will play and track a new round of player (given move) vs. computer
 $game->play('rock');
 $game->play('paper');
 $game->play('scissors');
 
-var_dump($game->getResults()); 
+# An array of the results for each round (player move, computer move, whether player won) can be accessed from the `getResults` method
+var_dump($game->getResults());
 ```