added some posters

[JohnLu2004]

No description provided.

[github-actions]

🎊 PR Preview d2e0f85 has been successfully built and deployed to https://CarletonComputerScienceSociety-website-build_preview-pr-409.surge.sh

🕐 Build time: 0.015s

_{🤖 By surge-preview}

[github-actions]

Images automagically compressed by Calibre's image-actions ✨

Compression reduced images by 7.5%, saving 81.46 KB.

Filename	Before	After	Improvement	Visual comparison
static/images/event_posters/2023-2024/comp_1405_final_review.png	168.36 KB	129.27 KB	-23.2%	View diff
static/images/event_posters/2023-2024/COMP2402_quizzes_review.jpg	124.67 KB	118.66 KB	-4.8%	View diff
static/images/event_posters/2023-2024/cross_club_potluck_&_board_games.jpg	141.81 KB	134.52 KB	-5.1%	View diff
static/images/event_posters/2023-2024/cs_and_society.jpg	132.62 KB	126.25 KB	-4.8%	View diff
static/images/event_posters/2023-2024/lancer_game_session.jpg	146.47 KB	141.75 KB	-3.2%	View diff
static/images/event_posters/2023-2024/sapp_journey.jpg	108.58 KB	101.38 KB	-6.6%	View diff
static/images/event_posters/2023-2024/scp_secret_laboratory2.jpg	133.19 KB	129.21 KB	-3.0%	View diff
static/images/event_posters/2023-2024/video_game_social.jpg	125.94 KB	119.15 KB	-5.4%	View diff

426 images did not require optimisation.