* Add Windows Instructions and example
I added how to use the wrapper for Windows through the shared library. There might be a better way using the static library, but I believe this method works for 99% of use cases.
* Update Windows setup instructions in Fluent README
Clarified and expanded the step-by-step instructions for setting up CoolProp with Fluent on Windows. Added details about launching Fluent, using absolute paths, and using '//' in paths. Improved clarity and fixed minor typos.
* Update Windows instructions in Fluent wrapper README
Added clarification about limitations of using the shared library method and recommended using a static library for more robust results. Minor formatting and wording improvements were also made to the step-by-step instructions.
