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/integration/tw-snapshots.js

@@ -0,0 +1,23 @@
+const {test} = require('tap');
+const Snapshots = require('../snapshot/lib');
+
+for (const testCase of Snapshots.tests) {
+    // eslint-disable-next-line no-loop-func
+    test(testCase.id, async t => {
+        const expected = Snapshots.getExpectedSnapshot(testCase);
+        const actual = await Snapshots.generateActualSnapshot(testCase);
+        const result = Snapshots.compareSnapshots(expected, actual);
+        if (result === 'VALID') {
+            t.pass('matches');
+        } else if (result === 'INPUT_MODIFIED') {
+            t.fail('input project changed; run: node test/snapshot --update');
+        } else if (result === 'MISSING_SNAPSHOT') {
+            t.fail('snapshot is missing; run: node test/snapshot --update');
+        } else {
+            // This assertion will always fail, but tap will print out the snapshots
+            // for easier comparison.
+            t.equal(expected, actual, 'did not match; you may have to run: node test/snapshot --update');
+        }
+        t.end();
+    });
+}