feat: add plugin.json and move SKILL.md to skills/ for marketplace compatibility

Merge pull request #2 from varunr89/claude/audit-readme-accuracy-011CUqKFRjQoQMHF7Feep5iH

docs: update README to reflect multi-job feature and current repo state

Merge pull request #1 from varunr89/feature/multi-job-support

docs: add multi-job implementation summary

docs: add comprehensive multi-job testing checklist

feat: integrate multi-job workflow into main skill documentation

docs: add error handling and edge cases to multi-job workflow

docs: add incremental batch support to multi-job workflow

docs: add multi-job workflow Phase 4 (finalization)

docs: add multi-job workflow Phase 3 (per-job processing)

docs: add multi-job workflow Phase 2 (shared discovery)

docs: add multi-job workflow Phase 1 (gap analysis)

docs: add multi-job workflow Phase 0 (intake)

feat: add multi-job detection logic to skill