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-globals/data/builtin-lower.json

@@ -0,0 +1,15 @@
+[
+  "decodeURI",
+  "decodeURIComponent",
+  "encodeURI",
+  "encodeURIComponent",
+  "escape",
+  "eval",
+  "globalThis",
+  "isFinite",
+  "isNaN",
+  "parseFloat",
+  "parseInt",
+  "undefined",
+  "unescape"
+]