Add missing reference docs for *.javacOptions directives

Author: Gedochao

modules/directives/src/main/scala/scala/build/preprocessing/directives/JavacOptions.scala

@@ -12,7 +12,12 @@ import scala.cli.commands.SpecificationLevel
 @DirectiveExamples("//> using test.javacOpt -source 1.8 -target 1.8")
 @DirectiveUsage(
   "//> using javacOpt _options_",
-  "`//> using javacOpt` _options_"
+  """`//> using javacOpt` _options_
+    |`//> using javacOptions` _options_
+    |
+    |`//> using test.javacOpt` _options_
+    |`//> using test.javacOptions` _options_
+    |""".stripMargin
 )
 @DirectiveDescription("Add Javac options which will be passed when compiling sources.")
 @DirectiveLevel(SpecificationLevel.SHOULD)

website/docs/reference/directives.md

@@ -204,6 +204,11 @@ Add Java properties
 Add Javac options which will be passed when compiling sources.
 
 `//> using javacOpt` _options_
+`//> using javacOptions` _options_
+
+`//> using test.javacOpt` _options_
+`//> using test.javacOptions` _options_
+
 
 #### Examples
 `//> using javacOpt -source 1.8 -target 1.8`

website/docs/reference/scala-command/directives.md

@@ -203,6 +203,11 @@ Sets Java home used to run your application or tests
 Add Javac options which will be passed when compiling sources.
 
 `//> using javacOpt` _options_
+`//> using javacOptions` _options_
+
+`//> using test.javacOpt` _options_
+`//> using test.javacOptions` _options_
+
 
 #### Examples
 `//> using javacOpt -source 1.8 -target 1.8`