Feature: template for tracer

[wunder957]

Description

• Improved the include_extension functionality.
• A new Tracer template, users can now quickly add tracers via configuration files without having to go through plugins or contributed code
• Use lower case of tracer_name

Motivation and Context

How has this been tested?

see tests/test_tracer_template.py

Types of changes

• Maintenance (no change in code, maintain the project's CI, docs, etc.)
• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to not work as expected)

Checklist:

• My code follows the code style of this project.
• My change requires a change to the documentation.
• I have updated the documentation accordingly.