feat: Add comprehensive iconography system and enhance brand guidelines

- Add complete Iconography section with Coolicons v4.1 integration
- Implement theme-adaptive icons (black for light mode, white for dark mode)
- Add Visual Aid modal dialog for accessibility settings
- Replace theme toggle with semantic moon/sun icons
- Add personality trait icons with appropriate semantic choices
- Fix code block theming to respect light/dark mode toggle
- Include comprehensive icon categories: Interface, File/Data, Communication, Navigation
- Add detailed implementation guides for HTML, SVG, and Tailwind
- Create accessibility-aware color system with vision deficiency support
- Add Inconsolata and Inter Tight fonts for complete typography system

🤖 Generated with [Claude Code](https://claude.ai/code)

Co-Authored-By: Claude <noreply@anthropic.com>

brand-assets/icons/coolicons.v4.1/Webfont/demo-files/demo.js

@@ -0,0 +1,30 @@
+if (!('boxShadow' in document.body.style)) {
+    document.body.setAttribute('class', 'noBoxShadow');
+}
+
+document.body.addEventListener("click", function(e) {
+    var target = e.target;
+    if (target.tagName === "INPUT" &&
+        target.getAttribute('class').indexOf('liga') === -1) {
+        target.select();
+    }
+});
+
+(function() {
+    var fontSize = document.getElementById('fontSize'),
+        testDrive = document.getElementById('testDrive'),
+        testText = document.getElementById('testText');
+    function updateTest() {
+        testDrive.innerHTML = testText.value || String.fromCharCode(160);
+        if (window.cooliconsLiga) {
+            window.cooliconsLiga(testDrive);
+        }
+    }
+    function updateSize() {
+        testDrive.style.fontSize = fontSize.value + 'px';
+    }
+    fontSize.addEventListener('change', updateSize, false);
+    testText.addEventListener('input', updateTest, false);
+    testText.addEventListener('change', updateTest, false);
+    updateSize();
+}());