Support existing code bundlers

[qryxip]

• [ ] kenkoooo/cargo-concat (does not work)
• [ ] ngtkana/procon-bundler (I've not tried yet)
• [ ] qryxip/cargo-equip (does not work)
• [ ] shino16/cargo-auto-bundle (I've not tried yet. Probably it does not work for convolution)
• [ ] and more?