This commit includes overall UI and styling improvements in different areas of the application. In particular, it refactors the font usage in the tailwind configuration and modifies the Heading import path in `heading.tsx`. The pricing table and line item details in the billing gateway had been extensively updated to provide better visual representation. Finally, changes were made to the marketing page to make it more straightforward and clear.
The styling of multiple components has been updated for consistency and readability. A new heading font has been added to improve visual hierarchy. Changes include updating font sizes, adding a new heading font, and adjusting borders and padding over several components.
Redesigned heading component styling and adjusted the layout in the marketing page for better readability and aesthetic appeal. Also updated 'next' and several other dependencies in the "pnpm-lock.yaml" to their latest versions, ensuring up-to-date functionalities and security.
