Added Frontend includes.

src/frontend/static/script/pyshelf.ts

@@ -0,0 +1,15 @@
+function getScreenSize() {
+    return {
+        width: window.innerWidth,
+        height: window.innerHeight
+    };
+}
+$(document).ready(function() {
+    // Get the current URL
+    var url = window.location.href;
+    // Get the last part of the URL
+    var screenSize = getScreenSize();
+    var x: number = screenSize.width;
+    var y: number = screenSize.height;
+    console.log(x, y);
+}