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/unit/extension_microbit.js

@@ -0,0 +1,12 @@
+const test = require('tap').test;
+// const MicroBit = require('../../src/extensions/scratch3_microbit/index.js');
+
+test('displayText', t => {
+    t.end();
+});
+
+test('displayMatrix', t => {
+    t.end();
+});
+
+// etc...