Add kore package

Kore is an easy to use, scalable web application framework for writing web APIs
in C.

Tested as working on XE500C13-K01US.

packages/kore.rb

+require 'package'
+
+class Kore < Package
+  description 'An easy to use, scalable and secure web application framework for writing web APIs in C. '
+  homepage 'https://kore.io'
+  version '2.0.0'
+  source_url 'https://github.com/jorisvink/kore/archive/2.0.0-release.tar.gz'
+  source_sha256 'e9573a3bd986bc7d91ce3fb8898cb542523d6ed274761281cea72a81963549c1'
+
+  binary_url ({
+  })
+  binary_sha256 ({
+  })
+
+  depends_on 'openssl'
+
+  def self.build
+    system 'make', "PREFIX=#{CREW_PREFIX}"
+  end
+
+  def self.install
+    # make install step doesn't respect DESTDIR
+    system "mkdir -p #{CREW_DEST_PREFIX}/bin"
+    system "install -m 555 kore #{CREW_DEST_PREFIX}/bin/kore"
+    system "mkdir -p #{CREW_DEST_PREFIX}/include/kore"
+    system "install -m 644 includes/*.h #{CREW_DEST_PREFIX}/include/kore"
+  end
+end