Simplify icon design to </..> style

- Changed icon to minimalist </..> design
- Unified icon.svg and favicon.svg to be identical
- Improved readability at small sizes
- Removed text in favor of abstract dots representation

public/assets/icon.svg

@@ -1,14 +1,11 @@
 <svg width="32" height="32" viewBox="0 0 32 32" xmlns="http://www.w3.org/2000/svg">
   <!-- < -->
-  <path d="M6 8 L2 16 L6 24" stroke="#ffffff" stroke-width="2.5" fill="none" stroke-linecap="round" stroke-linejoin="round"/>
+  <path d="M8 8 L3 16 L8 24" stroke="#ffffff" stroke-width="3" fill="none" stroke-linecap="round" stroke-linejoin="round"/>
   
   <!-- / -->
-  <path d="M10 24 L16 8" stroke="#ffffff" stroke-width="2.5" stroke-linecap="round"/>
+  <path d="M12 24 L18 8" stroke="#ffffff" stroke-width="3" stroke-linecap="round"/>
   
-  <!-- CP -->
-  <text x="24" y="21" font-family="Arial, sans-serif" font-weight="bold" font-size="12" fill="#ffffff" text-anchor="middle">CP</text>
-  
-  <!-- > -->
-  <path d="M30 8 L34 16 L30 24" stroke="#ffffff" stroke-width="2.5" fill="none" stroke-linecap="round" stroke-linejoin="round" opacity="0"/>
-  <path d="M28 8 L32 16 L28 24" stroke="#ffffff" stroke-width="2.5" fill="none" stroke-linecap="round" stroke-linejoin="round"/>
+  <!-- .. -->
+  <circle cx="22" cy="20" r="2" fill="#ffffff"/>
+  <circle cx="28" cy="20" r="2" fill="#ffffff"/>
 </svg>