Clean up UI components, remove unnecessary libs, improve navigation & portfolio

Fix navigation dropdown, scroll behavior, and particle colors, removed ai slop

removed phone numbers and removed link icon from portfolio

added appropriate comments

removed unnecessary libs

src/index.css

@@ -64,6 +64,8 @@ All colors MUST be HSL.
     --sidebar-accent-foreground: 240 5.9% 10%;
     --sidebar-border: 220 13% 91%;
     --sidebar-ring: 217.2 91.2% 59.8%;
+
+    --particle: 210 100% 18%;
   }
 
   .dark {
@@ -114,6 +116,8 @@ All colors MUST be HSL.
     --sidebar-accent-foreground: 240 4.8% 95.9%;
     --sidebar-border: 240 3.7% 15.9%;
     --sidebar-ring: 217.2 91.2% 59.8%;
+
+    --particle: 210 100% 88%; /* added particle colour */
   }
 }