feat(template-playground): updated template with friendly load samples in MODEL,TEMPLATE,DATA format. for better user experience.

[Vinyl-Davyl]

Updated Template Playground with Friendly Load Samples

Description:

This PR enhances the Template Playground feature by updating the template samples to provide a more user-friendly experience. The existing template samples have been improved and organized in a clear and structured format for easy access and understanding.

Changes Made:

• Updated the template samples in the MODEL, TEMPLATE, and DATA format.
• Organized the samples to cover various use cases and scenarios.
• Improved the descriptions and comments for better clarity and comprehension.
• Ensured consistency and coherence across all template samples.
• Tested and verified the functionality of each template sample to ensure correctness.

Impact:

• Enhances the usability and accessibility of the Template Playground feature.
• Provides users with a wide range of well-documented and organized template samples.
• Facilitates quicker understanding and adoption of the Accord Project templates.

Additional Notes:

• This PR aligns with the project's goal of improving the user experience and usability of the Template Playground feature.
• Feedback and suggestions for further improvements are welcome.

[Vinyl-Davyl]

@dselman please review