Onboarding Screen

[badnikhil]

PR Description

I have added an Onboarding Screen with only one line change to the existing code!

Lottie Animation Sources:
→ lottie1.json
→ lottie2.json
→ lottie3.json
→ lottie3.json

Packages Added:

• 📦 introduction_screen (v3.1.8)
• 📦 flutter_animate (v4.5.0)

Related Issues

• Closes Feature Request: Onboarding Screen for Mobile UI #651

Checklist

• I have gone through the contributing guide
• I have updated my branch and synced it with project main branch before making this PR
• I am using the latest Flutter stable branch (run flutter upgrade and verify)
• I have run the tests (flutter test) and all tests are passing
  • ⚠️ A Test is failing as dicussed in Errors Encountered During Flutter Tests #646 .

Added/updated tests?

• Yes
• No, and this is why: I am currently focusing on making improvements and will add tests later.

OS on which you have developed and tested the feature?

• Android
• iOS

[badnikhil]

Is multiple commits an issue? If needed, I can squash them into one in a fresh repo for a cleaner commit history!
The overall improvements in this PR go beyond what is in the preview video.
I have made some enhancements since then.
You can Effortlessly tweak animations, content, and design to fit any use case.
Onboarding Screen Preview

Screenrecorder-2025-03-14-17-44-30-498.mp4