Added circleci step to compile dotty

[softinio]

This resolves #1048

[softinio]

@NeQuissimus Linting definitely does a full compile right?

Results: https://circleci.com/gh/zio/zio/2814

[jdegoes]

@softinio This doesn't look like it's doing a full compile... it's just checking the source formatting of the files, isn't it?

[softinio]

@jdegoes Agreed thats what I thought but Tim hinted in issue (See #1048) that linting does hence asked him for clarification of what he meant.

Just going to change it to an actual compile to be sure especially since we dont need to lint using dotty

[jdegoes]

@softinio Awesome (Tim may know more about this than me, I just looked at the log, and I know I've used scalafmt on non-compiling code before).

[NeQuissimus]

Oooohh, that's my bad. I was under the impression that our linting included scalafix! Scalafmt won't trigger a compile, you're right.

[softinio]

@jdegoes @NeQuissimus This is all ready for you gents to review .... a few notes:

• Did not include compiling of the interops for dotty in the build as they are imminently being removed from this repo
• some subprojects that have dotty versions of dependencies not available yet on maven we can't compile so have excluded from build but have opened an issue for it so we can handle when ever dotty versions of those dependencies are available to us see Unable to compile some subprojects due to dotty version of dependencies not being available on maven #1077
• I did upgrade the version of dotty we are compiling against to 0.16.0-RC3

Here is the result success:

https://circleci.com/gh/zio/zio/3202

Hope I didn't miss anything :-)

Many thanks.

[jdegoes]

@softinio Awesome work. Thank you!