style: remove background color from main container
style: update background color for improved contrast
feat: add character count indicator for title input field
feat: add extension URLs for Firefox and Chrome
refactor: move getTitle function inside extractPageMetadata and improve description handling
refactor: streamline post creation logic and improve input validation
fix: update error message for authentication check failure
fix: improve error message for post publication failure
refactor: improve validation logic and error handling in publishPost
fix: update title for the push link popup
chore: update package name and bump version to 1.6.0
refactor: extract TiptapMark interface and reorganize PageMetadata fields

Editable title and URL fields with robust validation (https://github.com/tech-leads-club/push-link/commit/6607afaec42868dd2d1ce28b0408f6bc4e220a4e)

Strip marketing params from URL (https://github.com/tech-leads-club/push-link/commit/c9cd297af0531390a34066565299e22f7af0cf2e)

Change the post layout to promote the extension.

Removed PostHog external code.