Simplify binary release instructions a little
Simplify binary release instructions a little

- They can now be copied more easily by using wildcards for some filenams.
- Also the code is now highlighted correctly.
- Some smaller changes to the commands.

In adapted form this pulls in the changes of PR#3287.

tbrowder/rakudo,labster/rakudo,tbrowder/rakudo,labster/rakudo,tony-o/rakudo,rakudo/rakudo,MasterDuke17/rakudo,labster/rakudo,tony-o/rakudo,MasterDuke17/rakudo,salortiz/rakudo,tbrowder/rakudo,salortiz/rakudo,rakudo/rakudo,tbrowder/rakudo,tbrowder/rakudo,MasterDuke17/rakudo,tony-o/rakudo,rakudo/rakudo,tony-o/rakudo,tony-o/rakudo,tony-o/rakudo,tbrowder/rakudo,rakudo/rakudo,labster/rakudo,rakudo/rakudo,salortiz/rakudo,MasterDuke17/rakudo,salortiz/rakudo,MasterDuke17/rakudo,labster/rakudo,salortiz/rakudo,rakudo/rakudo,labster/rakudo,MasterDuke17/rakudo,salortiz/rakudo