refactor: reorganize people directory structure and update profile content

public/images/people/zainab_elgohary/zainab_elgohary.md

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+---
+id: zainab_elgohary
+name: Zainab Elgohary
+rank: 3
+memberships: [tech]
+category: [foundation]
+bio: Zainab has over 2 years of practical experience in Front End development. She's experienced in working in popular JS frameworks & libraries such as Vue, Svelte & React in addition to cloud tools like Docker, Kubernetes & Helm.   
+excerpt: Software Engineer
+linkedin: https://www.linkedin.com/in/zaelgohary/
+websites: https://threefold.tech
+github: https://github.com/zaelgohary
+image: ./zainab_elgohary.jpeg
+projects: [threefold_tech]
+countries: [Egypt]
+cities: [Cairo]
+private: 0
+---