✨ feat: AddTask Api integration

[hartmannjean]

Issue

This pull request refers to Issue #31

• Does not apply to this pull request

Added new taskApi endpoint
Added viewmodel for AddTaskScreen
created field validation functions

Types of changes

• New feature (non-breaking change which adds functionality).
• Bug fix (non-breaking change which fixes an issue).
• Breaking change (fix or feature that would cause existing functionality to not work as expected).

What changed:

• UI
• Business rule
• Documentation
• Gradle or Build
• Navigation
• Tests
• Resource files
• Project architecture
• Code style

Checklist

• Have tested the changes.
• Met all the acceptance requirements of this task.
• Verified if branch is up-to-date with develop (if not - rebase it or merge it).
• Resolve git conflicts

If any of the acceptance criteria are not met, please explain why below

What is the criteria? Why it is different?

[hartmannjean]

Closed this PR. Opened a new PR.