Update to 2023-24 Execs (#451)

This PR adds some of the photos for the 2023-24 execs. 

Force-merging as we'd like to get this up as soon as possible. I'll come
back to add / update any headshots if people would like to change them.

content/about/team/executives/2023.md

@@ -0,0 +1,49 @@
+---
+title: "Core Executives—2023–2024"
+date: 2023-05-23
+execs:
+  - position: President
+    name: Ryan Kim
+    img: ryan_kim_2023.jpg
+    email: [email protected]
+  - position: Vice President, Academic
+    name: Emilie Ma
+    img: emilie_ma_2023.jpg
+    email: [email protected]
+  - position: Vice President, Communications
+    name: Alice Fu
+    img: alice_fu_2022.jpg
+    email: [email protected]
+  - position: Vice President, External
+    name: Tommy Xu
+    img: tommy_xu_2023.jpg
+    email: [email protected]
+  - position: Vice President, Finance
+    name: Gordon Chieng
+    img: default.svg
+    email: [email protected]
+  - position: Co-Vice President, Internal
+    name: Youssef Saleh
+    img: youssef_saleh_2023.png
+    email: [email protected]
+  - position: Co-Vice President, Internal
+    name: Ruby Yang
+    img: default.svg
+    email: [email protected]
+  - position: Vice President, Social
+    name: Cindy Cui
+    img: cindy_cui_2023.jpg
+    email: [email protected]
+  - position: Vice President, Volunteering
+    name: Mai Luong
+    img: mai_luong_2023.jpg
+    email: [email protected]
+  - position: Vice President, Administration
+    name: Grace Lin
+    img: grace_lin_2023.JPG
+    email: [email protected]
+---
+
+The Core Executives are the highest stratum of officer in the Computer Science Student Society. These positions are voted on in the annual spring elections.
+
+{{< execs >}}