Update README.md

README.md

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-# Daily-Deal-Android-App
-Simple android app built with local database
+![Repo Cover](https://github.com/user-attachments/assets/7855cd1c-cbbd-4464-ab39-e6a34669da85)
+### Simple MVVM android app that built with local database using room. It allows ordering one deal per day for user. Providing admin dashboard to add, delete & update data.
+
+## App Features:
+- Ordering Meals (One Per Day)
+- tracking orders history
+- Admin dashboard
+- Permissions & Roles Management based on permission matrix Json file
+- Built using Mvvm, RoomDB, Kotlin coroutines
+- Contains Implementation for:
+  - DateTimeHelper to convert UTC DatTime to local with specific pattern
+  - ImageBase64Converter to convert Images from/to Base64
+  - TextFieldValidator to validate text fields using regex
+
+## Video Demo:
+<div align="center"><video src="https://github.com/user-attachments/assets/c4942510-bf38-41e1-b2c2-c10baa2989e9"></div>
+
+## App Apk:
+<div align="center">
+<a href="#"><img src="https://github.com/user-attachments/assets/351afcb2-961e-4e05-9c95-a7df7c8be071" width="250"></a>
+</div>
+
+## Database ERD:
+![Daily Deal ERD](https://github.com/user-attachments/assets/6cc90555-c728-4ff1-bc78-a0c1e227bfed)
+
+## Json Configs:
+### default data are stored in project/raw as json files you can edit them
+### default_permissions.json (roles and permissions data)
+```json
+[
+    {
+        "addItem": true,
+        "adminDashboard": true,
+        "deleteItem": true,
+        "editItem": true,
+        "orderItem": true,
+        "role": "admin"
+    },
+    {
+        "addItem": false,
+        "adminDashboard": false,
+        "deleteItem": false,
+        "editItem": false,
+        "orderItem": true,
+        "role": "user"
+    }
+]
+```
+
+### default_users.json (contains default admin)
+```json
+[
+  {
+    "address": "-",
+    "email": "[email protected]",
+    "id": 0,
+    "name": "admin",
+    "password": "Admin123456789$",
+    "phone": "0",
+    "role": "admin"
+  }
+]
+```