ethdebug post: materials

Supporting material for an upcoming Argot blog post introducing ethdebug/format.

planning/outline.md: the post's outline.
planning/topic-sentences.md: one sentence per planned paragraph.
demos/debugger/: step through a transaction in the browser. Every tab steps the same contract, Arcade, and the same transaction: soldb, Walnut's debugger, for Solidity and Fe; ethdebug's reference implementation for BUG; and "the old way", a source-map stepper on an optimized Solidity build with no ethdebug. Its saved Solidity trace leaves out the flat copies of each step's state, which soldb drops on reading; see SOURCE.md.
demos/inspector/: a storage inspector that shows each variable's bytes, found through solc's ethdebug pointers.
demos/stepper/: a source stepper in about ten lines of code, with its output for Solidity and Fe.
companion/: the companion page the post links to for depth.

Run locally

The pages are static. Serve the repo root over HTTP:

python3 -m http.server