Adding the sqlite sourcecode

ext/wasm/scratchpad-wasmfs.html

@@ -0,0 +1,30 @@
+<!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">
+    <link rel="stylesheet" href="common/emscripten.css"/>
+    <link rel="stylesheet" href="common/testing.css"/>
+    <title>sqlite3 WASMFS/OPFS Main-thread Scratchpad</title>
+  </head>
+  <body>
+    <header id='titlebar'><span>sqlite3 WASMFS/OPFS Main-thread Scratchpad</span></header>
+    <p>Scratchpad/test app for the WASMF/OPFS integration in the
+      main window thread. This page requires that the sqlite3 API have
+      been built with WASMFS support. If OPFS support is available then
+      it "should" persist a database across reloads (watch the dev console
+      output), otherwise it will not.
+    </p>
+    <p>All stuff on this page happens in the dev console.</p>
+    <hr>
+    <div id='test-output'></div>
+    <script>
+      (function(){
+          const W = new Worker('scratchpad-wasmfs.mjs',{
+              type: 'module'
+          });
+      })();
+    </script>
+  </body>
+</html>