Add libmicrohttpd package

packages/libmicrohttpd.rb

+require 'package'
+
+class Libmicrohttpd < Package
+  description 'GNU libmicrohttpd is a small C library that is supposed to make it easy to run an HTTP server as part of another application.'
+  homepage 'https://www.gnu.org/software/libmicrohttpd/'
+  version '0.9.58'
+  source_url 'https://ftpmirror.gnu.org/libmicrohttpd/libmicrohttpd-0.9.58.tar.gz'
+  source_sha256 '7a11e1376c62ff95bd6d2dfe6799d57ac7cdbcb32f70bfbd5e47c71f373e01f3'
+
+  binary_url ({
+  })
+  binary_sha256 ({
+  })
+
+  depends_on 'diffutils' => :build
+
+  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"
+    system "gzip -9 #{CREW_DEST_PREFIX}/share/man/man3/libmicrohttpd.3"
+  end
+end