WIP 43 - import TokenReader implicits in generated build script file,

also build package object parent is qualified from _root_.`<empty>`

Author: bishabosha

runner/src/mill/runner/MillBuildRootModule.scala

@@ -371,6 +371,7 @@ object MillBuildRootModule {
          |$imports
          |
          |object ${backtickWrap(miscInfoName)} {
+         |  import _root_.mill.main.TokenReaders.given
          |  implicit lazy val millBuildRootModuleInfo: _root_.mill.runner.MillBuildRootModule.Info = _root_.mill.runner.MillBuildRootModule.Info(
          |    ${enclosingClasspath.map(p => literalize(p.toString))}.map(_root_.os.Path(_)),
          |    _root_.os.Path(${literalize(base.toString)}),
@@ -382,7 +383,7 @@ object MillBuildRootModule {
          |  )
          |}
          |import ${backtickWrap(miscInfoName)}.{millBuildRootModuleInfo, millBaseModuleInfo}
-         |package object ${backtickWrap(name)} extends ${backtickWrap(name + "_")}
+         |package object ${backtickWrap(name)} extends _root_.`<empty>`.${backtickWrap(name + "_")}
          |import ${backtickWrap(name)}._
          |class ${backtickWrap(name + "_")} extends $superClass {
          |