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>

crates/explorer/src/lib.rs

@@ -0,0 +1,6 @@
+//! The revive explorer leverages debug info to get insights into emitted code.
+
+pub mod dwarfdump;
+pub mod dwarfdump_analyzer;
+pub mod location_mapper;
+pub mod yul_phaser;