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/providers/sync.d.ts

@@ -0,0 +1,9 @@
+import { Task } from '../managers/tasks';
+import ReaderSync from '../readers/sync';
+import { Entry, EntryItem, ReaderOptions } from '../types';
+import Provider from './provider';
+export default class ProviderSync extends Provider<EntryItem[]> {
+    protected _reader: ReaderSync;
+    read(task: Task): EntryItem[];
+    api(root: string, task: Task, options: ReaderOptions): Entry[];
+}