Add Og image and favicon

Name	Status	Preview	Updated (UTC)
ishortn-ink	✅ Ready (Inspect)	Visit Preview	Sep 16, 2023 1:18pm

PR Summary

Update of favicon.ico file The visual icon associated with our website, often displayed in the browser tab (known as a favicon), has been updated in this pull request. Although specific changes have not been detailed, the modification would likely improve its appearance or visibility.
Addition of opengraph-image.png file A new image file named opengraph-image.png has been included in the codebase. While its exact purpose has not been elaborated on, such files are commonly used for enhancing social media sharing. If someone shares the link to our site on a social media platform, this is the image that typically shows up. As such, this addition could potentially enhance our web page's appearance when shared on social platforms.