add admin dashboard for viewing DiffMT results

add admin dashboard for viewing DiffMT results

update img-count display to use innerHTML for improved formatting

enhance delete-session functionality to optionally keep trial clicks

replace brand logo with single image; update styles for improved responsiveness

added logos

added logos

add brand logo to welcome screen; update styles for improved aesthetics

refactor welcome screen; update background handling and styling

update style.css; reduce background opacity for welcome screen

update index.html; add background element to welcome screen

update index.html; add background element to welcome screen

update style.css; adjust layout and styling for improved readability and user experience

update index.html; revise game instructions and enhance key controls display

add session management for trials; implement immediate saving and player name attachment

refactor game finish logic and UI feedback; remove final score display and update input prompt

refactor game feedback mechanism to disable panels and highlight selection; reduce timeout duration

refactor game logic to support full factorial pairing of images; update API response to include repetitions configuration

update game controls to include 'B' key for right selection; adjust hint in HTML

implement admin authentication for data export and reset endpoints; update game timing and add hint in HTML

add initial game implementation with HTML, CSS, and JavaScript