more methods

frontend/src/model/Hand.js

 import Tile from '@/model/Tile.js'
 
-export default class Hand {
-    constructor() {
-        this.tiles_left = [];
+export default class Hand{
+    constructor(initial_draw) {
+        this.tiles_left = initial_draw;
         this.claimed =[];
     }
+
+    discard(pos){
+        var discarded_tile = this.tiles_left.splice(pos, 1);
+        return discarded_tile;
+    }
+
+    draw(tile){
+        this.tiles_left.push(tile);
+    }
 }
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