Make some changes on codecanyon flutter code

make some edits on codecanyon code

changes:
- change app logo, color scheme, and walkthrough.
- Add Attachment and notes for orders + text field (add-on already exists in the app).
- Add YouTube videos and photos for the product screen.
- change currency based on region.
- Add auction feature.
- Add birthday date and annual reminder notification.
- Add an annual reminder notification when a user creates a new order.
- change some text in the app.
- integrate intercom chat.
- Launch apps on android and IOS.

200$ - 2 Days