roblocks v0.0.4

roblocks v0.0.4\n\nLegitimate OSS release polish and CLI fix.\n\n### Highlights\n- Fixes published CLI execution by adding the Node shebang.\n- Reads package version dynamically for roblocks --version.\n- Adds build-before-publish guard to release scripts.\n- Improves README with badges, security note, quick start, schema rules, and CLI reference.\n\n### Verify\nbash\nnpm install -g roblocks\nroblocks --version\nroblocks --help\n