feat: add title for key generation

src/pages/ValidatorOnboarding/KeyGeneration/KeyGenerationTitle.tsx

@@ -0,0 +1,11 @@
+import { Text } from '@status-im/components'
+
+const KeyGenerationTitle = () => {
+  return (
+    <Text size={27} weight={'semibold'}>
+      Key Generation
+    </Text>
+  )
+}
+
+export default KeyGenerationTitle