add diary

diary.txt

+Week 1: Started learning about Human Computer Interaction (HCI)
+Week 2: Continue learning about HCI and started learning about User Experience & User Interface
+Week 3: Started making low fidelity prototypes of the app
+Week 4: Started working on the high fidelity prototypes of the app
+Week 5: Started working on the app with keeping the past experiences & designs in mind
+Week 6: Built the web app with the help of html, css, javascript
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