486 output parsing (#492)

* WIP: Add comment parsing support, change whitespace handling

Signed-off-by: reidspencer <reid.spencer@yoppworks.com>

* WIP: Get language module working

Signed-off-by: reidspencer <reid.spencer@yoppworks.com>

* WIP: Commit to merge comment support branch

Signed-off-by: reidspencer <reid.spencer@yoppworks.com>

* WIP: Merge and implement end-of-definition comment

Signed-off-by: reidspencer <reid.spencer@yoppworks.com>

* All tests pass

Summary of changes:
* Issue #6 is now implemented. Single line comments are allowed at the
  start and end of the parse and after every kind of definition. The
  comments are captured in the AST
* Keywords are not required to have non-alphanumeric characters after
  them and they introduce a cut

Signed-off-by: reidspencer <reid.spencer@yoppworks.com>

* Re-enable test case with dependency updated

Signed-off-by: reidspencer <reid.spencer@yoppworks.com>

---------

Signed-off-by: reidspencer <reid.spencer@yoppworks.com>
Signed-off-by: Reid Spencer <reid-spencer@users.noreply.github.com>

riddlc/src/test/scala/com/reactific/riddl/RunRiddlcOnArbitraryTest.scala

@@ -48,8 +48,7 @@ class RunRiddlcOnArbitraryTest extends RunCommandSpecBase {
       val config = "design/src/main/riddl/OffTheTop.conf"
       validateLocalProject(cwd, config)
     }
-    "validate kalix template" in {
-      pending
+    "validate kalix-improving-template" in {
       val cwd = "/Users/reid/Code/Improving/kalix-improving-template"
       val config = "design/src/main/riddl/ksoapp.conf"
       validateLocalProject(cwd, config)