Update README.md with comprehensive documentation

[Copilot]

Plan for Updating README.md

• Review current README.md and template structure
• Adapt the igniteui-angular template for grid-lite context
• Include key sections (all completed)
• Address review feedback (all completed)
• Fix code review issues:
  • Fix duplicated "selection" typo
  • Update remaining Angular links in Commercial Support section to Web Components

Summary of Changes

Updated README.md with comprehensive documentation following igniteui-angular template, adapted for web components:

Initial Update:

• Enhanced header with badges and project description
• Added comprehensive features, browser support, installation, and usage sections
• Included build, development, and testing instructions
• Added comparison between Grid Lite (MIT) and commercial offerings
• Included support and contributing guidelines

Review Feedback Addressed:

• Simplified title to "Ignite UI Grid Lite"
• Clarified "Row Virtualization" and "Column Filtering"
• Added "Cell Templating" and "Header Templating" features
• Updated all documentation links to Web Components URLs
• Updated comparison to reference Web Components Data Grid
• Expanded commercial features list comprehensively
• Updated support section references

Code Review Fixes:

• Fixed typo: "Row selection selection" → "Row selection"
• Updated remaining Angular links in Commercial Support to Web Components

All content now consistently references Ignite UI for Web Components.

Original prompt

Update readme.md file, use https://github.com/IgniteUI/igniteui-angular/blob/master/README.md as a template and the following pages as refrence:

https://github.com/IgniteUI/igniteui-angular/blob/master/README.md
https://www.infragistics.com/products/ignite-ui-angular/angular/components/general/open-source-vs-premium
https://www.infragistics.com/products/ignite-ui-angular/angular/components/grid-lite/overview

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[coveralls]

Pull Request Test Coverage Report for Build 20063817302

Details

• 0 of 0 changed or added relevant lines in 0 files are covered.
• No unchanged relevant lines lost coverage.
• Overall coverage remained the same at 96.579%

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Totals
Change from base Build 19903569366:	0.0%
Covered Lines:	2630
Relevant Lines:	2712

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💛 - Coveralls

[Copilot]

Pull request overview

This PR transforms the minimal README into comprehensive documentation modeled after the igniteui-angular template, adapted for the web components context. The update provides complete information about features, installation, development workflow, and product positioning.

Key Changes:

• Added structured documentation covering project overview, features, browser support, installation, and usage examples
• Included development workflow instructions (setup, build, test commands, and dev server)
• Added product comparison table distinguishing open-source Grid Lite from commercial Ignite UI for Angular

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