feat: adds Ezra's user stories (#265)

Co-authored-by: Ezra Nyabuti <[email protected]>

Author: enyabuti

lesson_05/ezra5/README.md

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+## User's Stories
+
+# Matcha Café
+As a matcha enthusiast, I want a restaurant just like Crumbl Cookies but for Matcha. I want to craft my own matcha and try out different flavors recommended by other matcha enthusiasts. 
+
+# ChatGPT but for medical field
+As a healthcare provider, I want an AI that can help remind me the proper procedure of handling different situation and AI that analyzes sysmptoms for accurate diagnosis.
+
+# AI as a personal assistant.
+I want AI to help me keep up with day to day tasks such as budgeting, planning schedule and setting reminders on things I need to do.