TH-68: Preload google font

[eihabkhan1]

Note

This change doesn't have any significant performance improvement but it is recommended to preconnect resources like fonts to reduce the initial latency involved in DNS lookups

JIRA Ticket

Ticket: TH-68.

Prerequisites

• Check this branch locally and run pnpm run release
• 3 new files will be generated in this format theme name + date + .zip
• Upload generated file locally or in seller-area test env

QA Steps

• See code

[eihabkhan1]

Ignore the css files in this PR as the change made to their scss counterpart wasn't applied to them here

[ibrilBadreddine]

The PR looks good, but there is a possibility that another scenario may require the same solution. Please refer to the source below:
main-navbar.liquid

{%- if section.settings.navbar_font_family -%}
    <link
      href='https://fonts.googleapis.com/css2?family={{ section.settings.navbar_font_family }}:ital,wght@0,300;0,400;0,500;0,700;1,400&display=swap'
      rel='stylesheet'
    >
{%- endif -%}