Adding the sqlite sourcecode

ext/wasm/demo-123.html

@@ -0,0 +1,24 @@
+<!doctype html>
+<html lang="en-us">
+  <head>
+    <meta charset="utf-8">
+    <meta http-equiv="Content-Type" content="text/html; charset=utf-8">
+    <link rel="shortcut icon" href="data:image/x-icon;," type="image/x-icon">
+    <title>Hello, sqlite3</title>
+    <style>
+      .warning, .error {color: red}
+      .error {background-color: yellow}
+      body {
+          display: flex;
+          flex-direction: column;
+          font-family: monospace;
+          white-space: break-spaces;
+      }
+    </style>
+  </head>
+  <body>
+    <h1>1-2-sqlite3 demo</h1>
+    <script src="jswasm/sqlite3.js"></script>
+    <script src="demo-123.js"></script>
+  </body>
+</html>