refactor(lp): ♻️ Simplify header

apps/landing-page/assets/icons/HamburgerIcon.tsx

@@ -0,0 +1,24 @@
+import Icon, { IconProps } from '@chakra-ui/icon'
+import React from 'react'
+
+export const featherIconsBaseProps: IconProps = {
+  fill: 'none',
+  stroke: 'currentColor',
+  strokeWidth: '2px',
+  strokeLinecap: 'round',
+  strokeLinejoin: 'round',
+}
+
+export const HamburgerIcon = (props: IconProps) => (
+  <Icon
+    xmlns="http://www.w3.org/2000/svg"
+    viewBox="0 0 24 24"
+    fill="currentcolor"
+    {...featherIconsBaseProps}
+    {...props}
+  >
+    <line x1="3" y1="12" x2="21" y2="12"></line>
+    <line x1="3" y1="6" x2="21" y2="6"></line>
+    <line x1="3" y1="18" x2="21" y2="18"></line>
+  </Icon>
+)