Add a script.sh file to run scripts (#6047)

### What was changed?
Add a script.sh file to run scripts

### How has this been tested?
Manually ran the shell file with a few different commands

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license](https://github.com/dafny-lang/dafny/blob/master/LICENSE.txt).</small>

script.sh

@@ -0,0 +1 @@
+dotnet run --project Source/Scripts/Scripts.csproj -- "$@"