created src directory

src/inventory.js

@@ -0,0 +1,24 @@
+window.addEventListener('load', () => {
+    const canvas = document.querySelector('#inventory');
+    const ctx = canvas.getContext("2d");
+
+    reloadEvent(canvas, ctx);
+});
+
+function reloadEvent(x, y){
+    window.addEventListener('resize', () => {
+        resize(x, y);
+    });
+}
+
+function draw(x) {
+    x.strokeStyle = 'blue';
+    x.lineWidth = '5';
+    x.strokeRect(0, 0, window.innerWidth, window.innerHeight);
+}
+
+function resize(x, y){
+    x.height = window.innerHeight;
+    x.width = window.innerWidth;
+    draw(y);
+}