docs: add detailed setup instructions and octocat avatar

Include GitHub octocat PNG in assets/ for Signal bot profile.
README now covers signal-cli profile setup (name: Github PRs,
avatar: octocat), daemon config, webhook config, and env vars.
This commit is contained in:
2026-03-10 23:26:39 +00:00
parent b73aeaed91
commit 9c233dea0b
2 changed files with 90 additions and 8 deletions

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