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/is-core-module/.eslintrc

@@ -0,0 +1,18 @@
+{
+    "extends": "@ljharb",
+    "root": true,
+    "rules": {
+		"func-style": 1,
+    },
+    "overrides": [
+        {
+            "files": "test/**",
+            "rules": {
+                "global-require": 0,
+				"max-depth": 0,
+                "max-lines-per-function": 0,
+				"no-negated-condition": 0,
+            },
+        },
+    ],
+}