Add wl_clipboard package (#3446)

This package provides native integration with the
Chrome OS clipboard via. the built-in Wayland server.

packages/wl_clipboard.rb

+require 'package'
+
+class Wl_clipboard < Package
+  description 'Command-line copy/paste utilities for Wayland'
+  homepage 'https://github.com/bugaevc/wl-clipboard.git'
+  version 'c0109' # Yes, I know, not the greatest version number,
+                  #  but it has fixes that 1.0.0 doesn't have yet.
+  source_url 'https://github.com/bugaevc/wl-clipboard/archive/c0109.tar.gz'
+  source_sha256 '3c7815986bb43c49912e1b64fb447bc31a80aa1326471dd575123ed6cd86e6be'
+
+  binary_url ({
+  })
+  binary_sha256 ({
+  })
+
+  depends_on 'wayland_protocols' # xdg-shell support, depends on wayland
+  depends_on 'xdg_utils' # content type inference in wl-copy
+
+  def self.build
+    system 'meson', 'build'
+    system 'ninja', '-C', 'build'
+  end
+
+  def self.install
+    # Meson and Ninja sadly do not support a command-line
+    #  argument for this like Make does
+    ENV['DESTDIR'] = CREW_DEST_DIR
+    system 'ninja', '-C', 'build', 'install'
+  end
+end