### Motivation and Context
Replace `Skill` with `Plugin` in docs and dotnet readme's
### Contribution Checklist
- [ ] The code builds clean without any errors or warnings
- [ ] The PR follows the [SK Contribution
Guidelines](https://github.com/microsoft/semantic-kernel/blob/main/CONTRIBUTING.md)
and the [pre-submission formatting
script](https://github.com/microsoft/semantic-kernel/blob/main/CONTRIBUTING.md#development-scripts)
raises no violations
- [ ] All unit tests pass, and I have added new tests where possible
- [ ] I didn't break anyone 😄
## Summary
This set of commits updates the terminology used in the project from
SKILLS to PLUGINS. SKILLS have been renamed to PLUGINS throughout the
codebase, and related documentation and comments have been updated
accordingly. Additionally, the telemetry metrics have been updated to
reflect the new naming convention.
## Changes
- Rename SKILLS to PLUGINS throughout the codebase
- Update related documentation and comments
- Update telemetry metrics to reflect new naming convention
---
*Powered by [Microsoft Semantic
Kernel](https://github.com/microsoft/semantic-kernel)*
Improve the main readme, supporting both users willing to clone and run
samples, developers looking to create a new app using the nuget package,
and contributors looking for ways to participate.
Added additional technical docs, explaining some important concepts and
touching on various aspects of the project, e.g. architecture and
nomenclature.
Mark Wallace