Add script to migrate technologies from old site

This script copies the technology logos, normalises the file names and
creates a corresponding entry in `_technologies`.

scripts/migrate_technologies.rb

@@ -0,0 +1,34 @@
+require 'nokogiri'
+require 'fileutils'
+
+fn = File.join(File.dirname(__FILE__), 'mirror', 'coops.tech.archived.website', 'index.html')
+html = File.read(fn)
+doc = Nokogiri::HTML(html)
+
+doc.css('a.technology-thumb').each do |node|
+  url = node.xpath('@href').text
+  technology_slug = url.split('/')[1]
+
+  style = node.xpath('div/@style')
+  current_logo = style.text.match(/background-image: url\((.*)\)/)[1]
+
+  technology_name = node.xpath('h5').text
+
+  p [technology_name, technology_slug, current_logo]
+
+  current_logo_path = File.join(File.dirname(__FILE__), 'mirror', 'coops.tech.archived.website', current_logo)
+  new_logo_path = File.join(File.dirname(__FILE__), '..', 'images', 'technologies', technology_slug + File.extname(current_logo_path))
+
+  FileUtils.cp(current_logo_path, new_logo_path)
+
+  technology_md_path = File.join(File.dirname(__FILE__), '..', '_technologies', technology_slug + '.md')
+
+  File.open(technology_md_path, 'w') do |file|
+    file.write("---\n")
+    file.write("title: #{technology_name}\n")
+    file.write("name: #{technology_name}\n")
+    file.write("---\n")
+  end
+end
+
+# File.open(output_fn, 'w') { |file| file.write(result) }