feat(dashboard): ✨ Add lead generation template

While creating the template I also made sure to fix and improve everything I stumble upon

apps/builder/components/shared/Graph/Nodes/StepNode/StepNodeContent/contents/PlaceholderContent.tsx

@@ -1,8 +1,10 @@
 import React from 'react'
 import { Text } from '@chakra-ui/react'
 
-type Props = { placeholder: string }
+type Props = { placeholder: string; isLong?: boolean }
 
-export const PlaceholderContent = ({ placeholder }: Props) => (
-  <Text color={'gray.500'}>{placeholder}</Text>
+export const PlaceholderContent = ({ placeholder, isLong }: Props) => (
+  <Text color={'gray.500'} h={isLong ? '100px' : 'auto'}>
+    {placeholder}
+  </Text>
 )