feat: version badge (#117)

Co-authored-by: davidfrigolet <dfrigolet@gmail.com>

Author: osantana85

src/components/VersionBadge/index.jsx

@@ -0,0 +1,17 @@
+export default function VersionBadge({ version }) {
+  return (
+    <span style={{
+      backgroundColor: 'var(--ifm-color-primary)',
+      color: 'white',
+      padding: '0.1rem 0.5rem',
+      borderRadius: '4px',
+      fontSize: '0.65em',
+      fontWeight: '600',
+      verticalAlign: 'middle',
+      marginLeft: '0.5rem',
+      letterSpacing: '0.03em',
+    }}>
+      Since {version}
+    </span>
+  );
+}