feat: Update on change in input fields

src/index.html

@@ -90,9 +90,11 @@
 <script>
 
     const inputWidth = document.getElementById("width");
+    inputWidth.onchange = update;
     const inputDepth = document.getElementById("depth");
+    inputDepth.onchange = update;
     const inputHeight = document.getElementById("height");
-
+    inputHeight.onchange = update;
 
 
     const selectSavicSuiteRoyaleXL = document.getElementById("SavicSuiteRoyaleXL");