Fixed gulp script, it's now building and running the code with no issues.

src/index.html

@@ -0,0 +1,17 @@
+<!DOCTYPE html>
+<html>
+
+<head>
+    <meta name="format-detection" content="telephone=no">
+    <meta name="msapplication-tap-highlight" content="no">
+    <meta name="viewport" content="initial-scale=1, width=device-width, viewport-fit=cover">
+    <title>Ignite-Html Test</title>
+</head>
+
+<body>
+    <main-app></main-app>
+</body>
+
+<script type="module" src="framework.js"></script>
+
+</html>