[MacPorts] #64573: helix @0.6.0_0: install runtime files as well

[MacPorts]

#64573: helix @0.6.0_0: install runtime files as well
-------------------------+---------------------------
 Reporter:  gkoller      |      Owner:  (none)
     Type:  enhancement  |     Status:  new
 Priority:  Normal       |  Milestone:
Component:  ports        |    Version:  2.7.1
 Keywords:  haspatch     |       Port:  editors/helix
-------------------------+---------------------------
 Current port version only installs the Helix binary. However, Helix
 requires its runtime files (tree-sitter grammars, queries, etc) as well.
 This patch will install those runtime files in:
 `${prefix}/share/helix/runtime` with a note on how to copy those to the
 user's `~/.config` directory.

 As I'm not really familiar with Tcl I have copied the directory
 traversal/copying code  from
 `ports/_resources/port1.0/group/haskell_cabal-1.0.tcl`. I have tested it
 and found it to be working.

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Ticket URL: <https://trac.macports.org/ticket/64573>
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