Generate projects.json and projects.md.

Rakefile

@@ -0,0 +1,30 @@
+require 'json'
+
+PROJECTS = Dir['projects/**/*.json'].sort.freeze
+
+task default: %w(projects.json projects.md)
+
+file 'projects.json': PROJECTS do |t|
+  File.open(t.name, 'w') do |out|
+    out.puts JSON.pretty_unparse(projects(t.prerequisites))
+  end
+end
+
+file 'projects.md': PROJECTS do |t|
+  File.open(t.name, 'w') do |out|
+    out.puts "| Name | Description |"
+    out.puts "| :--- | :---------- |"
+    projects(t.prerequisites).each do |project|
+      project_name = project['name']
+      project_link = "[#{project_name}](#{project['homepage']})"
+      project_desc = project['shortdesc']['en']
+      out.puts "| " + [project_link, project_desc].join(" | ") + " |"
+    end
+  end
+end
+
+def projects(project_paths = PROJECTS)
+  project_paths.map do |project_path|
+    JSON.parse(File.read(project_path))
+  end
+end