Change and serve font locally to avoid tracking

• This commit removes the fonts served through google cdn to avoid tracking of our users. The font files are hosted on our servers.
• The font is changed to Inter. the earlier font was slab serif and was weak for headlines. Most website use bold and display type font to catch attention.
• The line height is also adjusted to be more spacious so that there is more breathing space and readability is enhanced.
• rel=me attribute is added to mastodon link to make it verified on mastodon profile.

Before	After