Addition of Horizontal StepIndicator

Support for Horizontal StepIndicator
Added a new parameter for StepIndicatorMode enum
Addition of Community templates like Pull request, Code of Conduct, Issues

Adoption of SwiftLint , SnapShot Testing

1. Configured github hook for SwiftLint
2. Snapshot Unit tests for Example Views
3. Fixing Swift Lint violations.
4. Uni tests for Swift Package Manager files.

Support for Multiple Alignments

Support for having step Indicator handling all possible combinations for alignments.
Demonstrating examples via multiple tabs.
Bug Fixes and Enhancements.