the revive-explorer utility (#364)

A maintainable and more precise version of what was a hacky but useful
script, exploring the compilers YUL lowering unit.

It analyzes a given shared objects from the debug dump and outputs:
- The count of each YUL statement translated.
- A per YUL statement break-down of bytecode size contributed per.
- Estimated `yul-phaser` cost parameters.

Signed-off-by: Cyrill Leutwiler <bigcyrill@hotmail.com>

Makefile

@@ -6,6 +6,7 @@
 	install-llvm-builder \
 	install-llvm \
 	install-revive-runner \
+	install-revive-explorer \
 	format \
 	clippy \
 	machete \
@@ -43,6 +44,9 @@ install-llvm: install-llvm-builder
 install-revive-runner:
 	cargo install --locked --force --path crates/runner --no-default-features
 
+install-revive-explorer:
+	cargo install --locked --force --path crates/explorer --no-default-features
+
 format:
 	cargo fmt --all --check
 
@@ -53,7 +57,7 @@ machete:
 	cargo install cargo-machete
 	cargo machete
 
-test: format clippy machete test-cli test-workspace install-revive-runner
+test: format clippy machete test-cli test-workspace install-revive-runner install-revive-explorer
 
 test-integration: install-bin
 	cargo test --package revive-integration