Initial commit of 001code-html Scratch frontend project.

Includes scratch-gui, scratch-vm, scratch-blocks, scratch-render, scratch-l10n, and deployment config.

Co-authored-by: Cursor <cursoragent@cursor.com>

scratch-vm/test/fixtures/dispatch-test-worker-shim.js

@@ -0,0 +1,21 @@
+const Module = require('module');
+
+const callsite = require('callsite');
+const path = require('path');
+
+const oldRequire = Module.prototype.require;
+Module.prototype.require = function (target) {
+    if (target.indexOf('/') === -1 || target.startsWith('@')) {
+        // we really do just want to forward the arguments here
+        // eslint-disable-next-line prefer-rest-params
+        return oldRequire.apply(this, arguments);
+    }
+
+    const stack = callsite();
+    const callerFile = stack[2].getFileName();
+    const callerDir = path.dirname(callerFile);
+    target = path.resolve(callerDir, target);
+    return oldRequire.call(this, target);
+};
+
+oldRequire(path.resolve(__dirname, 'dispatch-test-worker'));