Slither-log

Create a tool for debugging hardhat project that
- Add `console.log` at every function/modifier entry point, with the canonical name of the function, and the function parameters
- Add `console.log` at every end of the function/modifier, with the canonical name of the function, and the return values

Potential flags
- `--only contract/function`
- `--exclude contract/function`
- `--force-patch` patch the codebase directly (default behavior would probably to create a git patch)

No files, tests, or entry points are named in the issue. Start by locating Slither's command-line entry point and its handling of Hardhat projects, then define the patch-generation flow, function/modifier logging, filtering flags, and what output should confirm completion.

Written by the indexing model from the issue text.