Merge pull request #1316 from tbrowder/core-mod

add new doc with list of core modules

Author: tbrowder

doc/Language/modules-core.pod6

@@ -0,0 +1,28 @@
+=begin pod
+
+=TITLE Core Modules
+
+The Perl core has a few modules you may want to use.  Following is a
+list of them along with a link to their source code.
+
+=head Modules with external utility
+
+The following modules are known to used by external programs and modules.
+
+=item L<CompUnit::Repository::Staging|https://github.com/rakudo/rakudo/lib/CompUnit/Repository/Staging.pm>    Used by installers such as C<zef>
+=item L<NativeCall|https://github.com/rakudo/rakudo/lib/NativeCall.pm6>    Used by many external modules
+=item L<NativeCall::Types|https://github.com/rakudo/rakudo/lib/NativeCall/Types.pm6>    Used by C<NativeCall>
+=item L<NativeCall::Compiler::GNU|https://github.com/rakudo/rakudo/lib/NativeCall/Compiler/GNU.pm6>    Used by C<NativeCall>
+=item L<NativeCall::Compiler::MSVC|https://github.com/rakudo/rakudo/lib/NativeCall/Compiler/MSVC.pm6>    Used by C<NativeCall>
+=item L<Pod::To::Text|https://github.com/rakudo/rakudo/lib/Pod/To/Text.pm6>    Used by several external modules
+=item L<Test|https://github.com/rakudo/rakudo/lib/Test.pm6>    Used by all modules with tests
+
+=head Modules for internal use
+
+The following modules are not intended to be used externally.
+
+=item L<experimental|https://github.com/rakudo/rakudo/lib/experimental.pm6>
+=item L<newline|https://github.com/rakudo/rakudo/lib/newline.pm6>
+
+
+=end pod