Create xinit.rb (#2161)

* Create xinit.rb

* Update xinit.rb

packages/xinit.rb

+require 'package'
+
+class Xinit < Package
+  description 'The xinit package contains a usable script to start the xserver'
+  homepage 'https://www.x.org'
+  version '1.4.0'
+  source_url 'https://x.org/pub/individual/app/xinit-1.4.0.tar.bz2'
+  source_sha256 '230835eef2f5978a1e1344928168119373f6df1d0a32c09515e545721ee582ef'
+
+  depends_on 'xorg_lib'
+    
+  def self.build
+    system "./configure \
+            --prefix=#{CREW_PREFIX} \
+            --libdir=#{CREW_LIB_PREFIX}"
+    system "make"
+  end
+
+  def self.install
+    system "make", "DESTDIR=#{CREW_DEST_DIR}", "install"
+  end
+  
+end