rephrase Light mentions in articles #53

https://new.dotkernel.com/architecture/request-lifecycle-for-a-mezzio-based-application/
and in the corresponding live article

The graph below shows how the request is handled by Dotkernel Light (GitHub, documentation), one of the applications in the Dotkernel Headless Platform suite.

instead of "one of the applications in the [Dotkernel Headless Platform suite](https://github.com/dotkernel)."
must be " which is The smallest complete Mezzio application — a PSR-15 pipeline, routing and templating, with nothing to strip out."

Also, all mentions in the new website of Light should be rewrote accordingly

Light is NOT a part of headless platform
but is The smallest complete Mezzio application — a PSR-15 pipeline, routing and templating, with nothing to strip out. A real starting point for a simple site. Outside the API/Admin/Queue platform.