refactor: split coder from blobber #165

Job	Run time
rust-library-base / Feature Checks	2m 27s
rust-library-base / Base Checks / Clippy	2m 8s
rust-library-base / Base Checks / Test Suite	4m 58s
rust-library-base / Base Checks / Docs	3m 34s
rust-library-base / Base Checks / Rustfmt	22s
rust-library-base / Base Checks / doctest	3m 44s
	17m 13s

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