Add support for multiple deadlines per conference

Highlight hyperlinks

Display all deadlines in local time zone

Compute deadline based on local time zone

Make dialog more narrow

Display year

Add city and country fields

Update conference data

Update dialog

Update README and width of window

Update README

Add link to Google Maps

Fix: Type errors in ConferenceDialog and Calendar

Fix date parsing

Fix calendars

Improve Apple Calendar button visibility

Increase "Visit website" font size

Improve Conference Dialog UI

Improve Conference Card UI

Refactor ConferenceDialog UI

Fix invalid time value error

Add "Add to Calendar" button

Improve conference card click effect

Add conference details modal