Add bin and edit workflow

bin/gems/jekyll_download_link-1.0.3/lib/jekyll_download_link.rb

@@ -0,0 +1,36 @@
+require 'jekyll_plugin_support'
+require_relative 'jekyll_download_link/version'
+
+module JekyllPluginDownloadLinkName
+  PLUGIN_NAME = 'download_link'.freeze
+end
+
+# Generates an href to a file for the user to download from the site.
+# Also shows the file size in a human-readable format.
+class DownloadLink < JekyllSupport::JekyllTagNoArgParsing
+  include JekyllDownloadLinkVersion
+
+  def self.as_size(string)
+    units = %w[B KB MB GB TB]
+
+    size, unit = units.reduce(string.to_f) do |(fsize, _), utype|
+      fsize > 512 ? [fsize / 1024, utype] : (break [fsize, utype])
+    end
+
+    fmt_str = "#{size > 9 || size.modulo(1) < 0.1 ? '%d' : '%.1f'} %s"
+    format(fmt_str, size, unit)
+  end
+
+  def render_impl
+    @filename = @argument_string.delete('"').delete("'").strip
+
+    source = @config['source']
+    file_fq = File.join(source, @filename)
+    abort "Error: '#{file_fq}' not found. See the link tag in" unless File.exist?(file_fq)
+
+    size_str = self.class.as_size(File.size(file_fq))
+    "<a href='/#{@filename}'><code>#{@filename}</code></a> (#{size_str})"
+  end
+
+  JekyllSupport::JekyllPluginHelper.register(self, JekyllPluginDownloadLinkName::PLUGIN_NAME)
+end