Added photograph and intro md file (#2331)

* Create saadmohiuddin.md

* uploaded Saad.jpg

* style: pre-commit fixes

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Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>

_codas-hep-students/2024/saadmohiuddin.md

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+---
+layout: codas-hep-participant
+e-mail: [email protected]
+institution: Oklahoma State University
+name: Saad Mohiuddin
+photo: "/assets/images/codas-hep/2024/Saad.jpg"
+github-username: saadmohiuddin
+linkedin-profile: https://www.linkedin.com/in/saadmohi/
+orcid:
+title:
+website:
+logos:
+    - /assets/images/codas-hep/logos/CMS.jpg
+    - /assets/images/codas-hep/logos/Iris-hep-logo.png
+---
+## My research:
+TO-EDIT
+
+## My expertise is:
+TO-EDIT
+
+## A problem I'm grappling with:
+TO-EDIT
+
+## I've got my eyes on:
+TO-EDIT
+
+## I want to know more about:
+TO-EDIT