Initial commit: skill files, docs site, README

- SKILL.md and pipeline.py from ~/.claude/skills/screenshot-rename/
- docs/index.html — archival/typewriter aesthetic homepage with hero
  monument, problem, 4-stage pipeline, before/after split, run-log
  receipt, ten gotchas, four use cases, install snippets
- MIT license

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

.gitignore

@@ -0,0 +1,3 @@
+__pycache__/
+*.pyc
+.DS_Store