adding app v2 (#943)

www/appv2/src/components/ui/Button.tsx

@@ -0,0 +1,29 @@
+import React from 'react';
+
+interface ButtonProps extends React.ButtonHTMLAttributes<HTMLButtonElement> {
+  variant?: 'primary' | 'secondary' | 'tertiary';
+}
+
+export const Button = React.forwardRef<HTMLButtonElement, ButtonProps>(
+  ({ variant = 'primary', className = '', children, ...props }, ref) => {
+    const baseStyles = 'rounded-sm px-5 py-2.5 font-sans font-semibold text-sm transition-all duration-200';
+    
+    const variants = {
+      primary: 'bg-gradient-primary text-on-primary border-none hover:brightness-110 active:brightness-95',
+      secondary: 'bg-transparent border-[1.5px] border-primary text-primary hover:bg-primary/5',
+      tertiary: 'bg-transparent border-none text-primary hover:bg-surface-mid',
+    };
+
+    return (
+      <button
+        ref={ref}
+        className={`${baseStyles} ${variants[variant]} ${className}`}
+        {...props}
+      >
+        {children}
+      </button>
+    );
+  }
+);
+
+Button.displayName = 'Button';