Documentation(1028075): Getting started content updated in mvc and core

[vijayravi1610]

Feature description

Update the new theme package reference in ASPMVC and ASPCore schedule documentations

Requirement and specification document

• API Review (Task link: )
• Azure Task with detailed feature information (Task link: https://dev.azure.com/EssentialStudio/Ej2-Web/_workitems/edit/1027308)
• Not applicable

Code Studio usage(Mandatory)

• Code Studio used in this PR/MR?

  • Yes
  • No

• If Yes: Primary use (choose one)

  • Generate new code
  • Refactor/improve existing code
  • Tests
  • Bug fix / debugging help
  • Docs / comments
  • Review assistance (explanations/summaries)
  • Other:

• Outcome

  • Saved time
  • Neutral
  • Cost time

• If “Cost time” explain in short (1 or 2 lines):

Feature scope and impact

• Core functionality (high impact)
• Enhancement to existing feature
• New standalone feature
• Experimental feature

Output screenshots/demos

N/A

Feature matrix documentation

• Feature matrix document updated Centralized location
• Not applicable

Testing coverage

• Tested against feature matrix
• Edge cases and error scenarios verified
• Cross-browser testing completed

Test cases and automation

• Test cases documented and attached to this PR
• Playwright tests added (PR link: _________________)
• Manual testing only (justification: _________________)
• Not applicable

Test bed sample location

NA

Related components

• Feature applicable to other components (Tasks created: _________________) (tagged "needs-attention-coreteam")
• Not applicable to other components

Breaking changes

• Contains breaking changes - provide migration guidance (added "breaking-change" label)
• No breaking changes

Performance verification

• Memory usage verified (no leaks)
• Rendering performance verified
• Not applicable

Reviewer Checklist

• Feature matrix documentation verified
• Test coverage verified
• Sample implementation reviewed
• Code meets standards and best practices