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/@babel/helper-compilation-targets/lib/targets.js

@@ -0,0 +1,28 @@
+"use strict";
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.unreleasedLabels = exports.browserNameMap = void 0;
+const unreleasedLabels = exports.unreleasedLabels = {
+  safari: "tp"
+};
+const browserNameMap = exports.browserNameMap = {
+  and_chr: "chrome",
+  and_ff: "firefox",
+  android: "android",
+  chrome: "chrome",
+  edge: "edge",
+  firefox: "firefox",
+  ie: "ie",
+  ie_mob: "ie",
+  ios_saf: "ios",
+  node: "node",
+  deno: "deno",
+  op_mob: "opera_mobile",
+  opera: "opera",
+  safari: "safari",
+  samsung: "samsung"
+};
+
+//# sourceMappingURL=targets.js.map