docs(design): remove SVG, use PNG logo only

SVG icon is no longer in use. public/logo.png (1024x1024 RGBA) is
the single logo asset. DESIGN.md updated accordingly: SVG snippet
removed, wordmark pattern and <head> references updated to PNG.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

node_modules/@nodelib/fs.walk/out/providers/sync.js

@@ -0,0 +1,14 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+const sync_1 = require("../readers/sync");
+class SyncProvider {
+    constructor(_root, _settings) {
+        this._root = _root;
+        this._settings = _settings;
+        this._reader = new sync_1.default(this._root, this._settings);
+    }
+    read() {
+        return this._reader.read();
+    }
+}
+exports.default = SyncProvider;