feat: Restructuring Part3 inspector crate (#1788) #4305

Job	Run time
check	18s
check no_std	20s
check serde	22s
check no_std kzg-rs	28s
check std	19s
clippy	1m 16s
docs	1m 5s
fmt	4s
test stable --no-default-features	43s
test stable	51s
TyposCheck	6s
test stable --all-features	1m 17s
test beta --no-default-features	58s
test beta	51s
test beta --all-features	1m 27s
test nightly --no-default-features	1m 42s
test nightly	1m 46s
test nightly --all-features	1m 54s
	15m 47s

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