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/fast-glob/out/readers/sync.d.ts

@@ -0,0 +1,12 @@
+import * as fsStat from '@nodelib/fs.stat';
+import * as fsWalk from '@nodelib/fs.walk';
+import { Entry, Pattern, ReaderOptions } from '../types';
+import Reader from './reader';
+export default class ReaderSync extends Reader<Entry[]> {
+    protected _walkSync: typeof fsWalk.walkSync;
+    protected _statSync: typeof fsStat.statSync;
+    dynamic(root: string, options: ReaderOptions): Entry[];
+    static(patterns: Pattern[], options: ReaderOptions): Entry[];
+    private _getEntry;
+    private _getStat;
+}