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/compat-data/plugin-bugfixes.js

@@ -0,0 +1,2 @@
+// Todo (Babel 8): remove this file, in Babel 8 users import the .json directly
+module.exports = require("./data/plugin-bugfixes.json");