Timeline: Add two more items (Code Jam 10 & 11)

pydis_site/apps/timeline/entries/2023-10-15_pydis-code-jam-2023-cj10.md

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+---
+title: Summer Code Jam 2023 (CJ10)
+date: October 15th, 2023
+icon: fa fa-dice
+icon_color: pastel-lime
+---
+
+We host the 10th Code Jam. This year, teams had to use an **image
+processing/manipulation library** to create something under the theme of
+**"Secret Codes"**.
+
+In total, 17 teams submitted projects out of which we showcased the top 10 in a
+livestream, where the winners were also announced.
+
+<div class="force-aspect-container">
+<iframe allow="accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture"
+allowfullscreen="" class="force-aspect-content" frameborder="0"
+src="https://www.youtube.com/embed/7U7wu7o1Dss"></iframe>
+</div>

pydis_site/apps/timeline/entries/2024-09-01_pydis-code-jam-2024-cj11.md

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+---
+title: Code Jam 2024 (CJ11)
+date: September 1st, 2024
+icon: fa fa-dice
+icon_color: pastel-lime
+---
+
+We host the 11th Code Jam. This year, teams had to create a **Discord
+Application** based on the theme of **"Information Overload"**.
+
+23 teams submitted projects, 10 of which were demoed in a livestream in which
+we also announced the winners.