added docs

modules-examples/hockey.js

@@ -0,0 +1,38 @@
+export class HockeyGame{
+    constructor(){
+        this.home = 0
+        this.away = 0
+    }
+
+    /**
+     * Call this method when home team scores.  It will
+     * increase home team score by 1 point.
+     */
+    homeTeamScores(){
+        this.home += 1;
+    }
+
+    /**
+     * Call this method when away team scores.  It will
+     * increase home team score by 1 point.
+     */
+    awayTeamScores(){
+        this.away += 1;
+    }
+
+    /**
+     * Returns winner of the game.
+     * 
+     * @returns {string} the name of the winner team.  Either "home", "away" or "tie"
+     */
+    winner(){
+        if(this.home > this.away){
+            return "home"
+        }
+        if(this.away > this.home){
+            return "away"
+        }
+        return "tie"
+    }
+
+}