🗒️ Adding Fall 2023 GBM blog post (#789)

## Description <!-- Mandatory -->

Adding the Fall 2023 GBM blog post

## Issues

N/A

## Checklist

- [x] I've labeled the PR appropriately.
- [x] I've have built the website and verified that my changes work.
- [x] I've linked the appropriate issues and related PRs.

blog/2023-08-31-GBM-announcement.md

@@ -0,0 +1,14 @@
+---
+slug: gbm-fall-2023
+title: Fall 2023 ACM General Body Meeting
+authors: yashishandilya
+tags: ["general-body-meeting", "events", "SIGs"]
+---
+
+We just wrapped our 2023-24 In-Person Involvement Fair. You can check out the pictures on our [Instagram](https://www.instagram.com/acmatuic/) and [LinkedIn](https://www.linkedin.com/company/acm-cs-uic/). Thank you for showing up and most importantly, welcome to ACM!
+
+We're kicking off the Fall 2023 semester with our 1st GBM of this academic year on **6th September, 5pm, at SELE 2260 (CS Lounge)**.
+
+The GBM will provide a more detailed introduction to ACM and our plans for 2023-24 school year, an info session with Engineering Career Centre and lots of resume making tips & tricks (the Fall Application Cycle is literally HERE). Come for the conversations, food, or both! Check out our GBM Flyer and [RSVP here](https://forms.gle/R4JDYL4d4wCw7DiUA).
+
+![ACM Fall 2023 GBM Flyer](/media/blog/acm-fall-2023-gbm-flyer.png)

blog/authors.yml

@@ -25,6 +25,11 @@ SohamG:
   image_url: https://avatars.githubusercontent.com/u/7116239?s=100&v=4
 ajknight121:
   name: Adrian Knight
-  title: President 2023 @ ACM@UIC
+  title: President 2022-2023 @ ACM@UIC
   url: https://github.com/Ajknight121
-  image_url: https://avatars.githubusercontent.com/u/97642775?s=100&v=4
+  image_url: https://avatars.githubusercontent.com/u/97642775?s=100&v=4
+yashishandilya:
+  name: Yashi Shandilya
+  title: President 2023-2024 @ ACM@UIC
+  url: https://github.com/yashishandilya
+  image_url: https://avatars.githubusercontent.com/u/89973416?s=100&v=4