Add rounding to sidebar

src/app/projectmanager/components/Sidebar.css

@@ -1,7 +1,7 @@
 @import "tailwindcss";
 
 .sidebar {
-  @apply w-50 h-screen bg-[rgb(24,24,36)] flex flex-col items-center justify-start border-r border-r-[rgb(48,48,72)] z-1;
+  @apply w-50 h-screen bg-[rgb(24,24,36)] flex flex-col items-center justify-start border-r border-r-[rgb(48,48,72)] z-1 rounded-r-[12px];
 }
 
 .sidebar a {