Add payment profiles support

[shioyama]

This depends on activemerchant/active_merchant#1941, so we can't actually merge it until that PR is merged.

[shioyama]

I've included the komoju gateway from activemerchant here, which overrides anything in that gem and thus enables us to use payment profiles. Once AM merges the change we can remove this and just reference the latest version of the gem.

[shioyama]

@camelmasa can you check this? I think you're in the best position to do that.

[camelmasa]

@shioyama sure, I'll do that after lunch 🍖

[shioyama]

@camelmasa can I merge this?

[camelmasa]

@shioyama I was displayed following after confirm page . Please check it 💃

[shioyama]

Thanks! I'll check that now.

[camelmasa]

@shioyama But, I tried that twice. I succeed that :(

[shioyama]

Hmm I don't see that issue:

[shioyama]

Oh I see: https://github.com/camelmasa/spree_komoju/blob/8b5c2bb6aa2b83319cdca507e738dae6101b25cf/app/overrides/add_instruction_to_order_show.rb#L6

This won't work for other payment methods that don't have that method.

[shioyama]

@camelmasa I added the missing credit card spec, have a look.

[shioyama]

@camelmasa Ah wait I'll add one for create_profile as well.

[shioyama]

Ok everything is spec'ed now, have a look 😄

[camelmasa]

@shioyama Tnank you for implementation. Please rename Spree::BankTransfer#instruction_partial_path too 🙏

[shioyama]

@camelmasa done!

[camelmasa]

@shioyama LGTM 💯