[Scala] added new scala-cask generator for the cask framework (#18344)

* Ran `./new.sh -n scala-cask -s` to generate a new Scala Cask impl

* removed scala-cask-petstore

* Added Scala-cask param parser for BigDecimals

* added scala cask to samples

* splitting out validation and json

* Added GitHub workflow support

* regenerated cask samples

* cask build fix for local builds

* regenerated samples

* trying to reproduce failed cask build. checking in compiles sources, which have been reformatted

* reverted whaitespace change

* cask fix - adding gitignored files

* scala cask toLowreCase fix

* scala cask toUpperCase fix

* cask regenerated samples

* improved exception handling for scala cask

* File separator fix for windows

* Noob fix for cask

* regenerated api package

* Removed environment variable settings, debug code

* Updated samples

* moved scala-cask output

* Regenerated samples

* scala cask fix

* Updated scala cask settings for more typical package structure
Removed cask client samples

* cask - reran generate samples

* Removed duplicate ScalaCaskServer entry

* minor enhancements

* update samples

* update templates

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Co-authored-by: aaron.pritzlaff <aaron@kindservices.co.uk>

.github/workflows/samples-scala.yaml

@@ -32,6 +32,7 @@ jobs:
           - samples/server/petstore/scalatra
           - samples/server/petstore/scala-finch # cannot be tested with jdk11
           - samples/server/petstore/scala-http4s-server
+          - samples/server/petstore/scala-cask
     steps:
       - uses: actions/checkout@v4
       - uses: actions/setup-java@v4