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>

Cargo.lock

@@ -8615,6 +8615,16 @@ dependencies = [
  "tempfile",
 ]
 
+[[package]]
+name = "revive-explorer"
+version = "0.1.0"
+dependencies = [
+ "anyhow",
+ "clap",
+ "num_cpus",
+ "revive-yul",
+]
+
 [[package]]
 name = "revive-integration"
 version = "0.1.1"