Cleaned DrawingTextAlongAPath and added f# scripts

[sporring]

Hi,

We using ImageSharp from F#, and in the process, we are looking at the available samples. DrawingTextAlongAPath/Program.cs had a lot of unused code and comments. I'm sorry to say, that I did not check my cleanup, since I skipped setting the system op for C#. However, the F# are working and can be run from the command-line with dotnet fsi Program.fsx on my mac.

Thanks, Jon

[CLAassistant]

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1 out of 2 committers have signed the CLA.

✅ JimBobSquarePants
❌ sporring
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[JimBobSquarePants]

Gosh. I'm so sorry we didn't see this!

I'd love to add the sample but we'll need you to sign the CLA first. Would you be able to do this?

Thanks!