refactor: move main title to a separate file

Author: gabitoesmiapodo

source/import/MainTitle.tsx

@@ -0,0 +1,15 @@
+import BigText from 'ink-big-text'
+import Gradient from 'ink-gradient'
+import React, { type FC } from 'react'
+
+const MainTitle: FC = () => (
+  <Gradient colors={['#ff438c', '#bb1d79', '#8b46a4', '#6a2581']}>
+    <BigText
+      lineHeight={1}
+      font={'chrome'}
+      text="dAppBooster"
+    />
+  </Gradient>
+)
+
+export default MainTitle