Add edit rakefile task

rake/edit.rake

@@ -0,0 +1,14 @@
+desc "Open a task in your editor"
+task :edit, :package do |t, args|
+    p "No package specified!" unless args.package
+
+    #prefix = __dir__
+    #path = "#{prefix}/#{args.package.gsub(":", "/").strip}.rake"
+    begin
+        path = Rake.application[args.package].actions.map(&:source_location).first.first
+        echo "Opening #{path}"
+        sh "$EDITOR #{path}"
+    rescue
+        error "No task found"
+    end
+end