feat: support cloning instances

app/controllers/instance_controller.rb

@@ -58,6 +58,20 @@ class InstanceController < ApplicationController
     end
   end
 
+  def clone
+    instance = clone_instance_params
+    i = Instance.find_by(public_id: instance)
+    new_inst = i.deep_clone(include: [ :fairies, :pops ])
+    new_inst.public_id = Nanoid.generate(size: 6)
+    new_inst.password = Nanoid.generate(size: 4, alphabet: "0123456789")
+    new_inst.name = Spicy::Proton.pair(" ")
+    if new_inst.save
+      @id = new_inst.public_id
+      @password = new_inst.password
+      render "set_password"
+    end
+  end
+
   def show
     @instance = Instance.includes(:pops, :fairies).find_by(public_id: show_instance_params)
     if @instance
@@ -125,6 +139,10 @@ class InstanceController < ApplicationController
     params.expect(:info)
   end
 
+  def clone_instance_params
+    params.expect(:instance)
+  end
+
   def show_instance_params
     params.expect(:public_id)
   end