Add bin and edit workflow

bin/gems/pry-0.15.2/lib/pry/commands/show_input.rb

@@ -0,0 +1,22 @@
+# frozen_string_literal: true
+
+class Pry
+  class Command
+    class ShowInput < Pry::ClassCommand
+      match 'show-input'
+      group 'Editing'
+      description 'Show the contents of the input buffer for the current ' \
+                  'multi-line expression.'
+
+      banner <<-'BANNER'
+        Show the contents of the input buffer for the current multi-line expression.
+      BANNER
+
+      def process
+        output.puts Code.new(eval_string).with_line_numbers
+      end
+    end
+
+    Pry::Commands.add_command(Pry::Command::ShowInput)
+  end
+end