Add meta tags and Zenodo DOI to index.html

- Added author, citation title, publication date, abstract, DOI, ORCID, and Zenodo DOI meta tags
- Added beampipe tracker script
- Added Zenodo DOI link beneath the heading for better visibility

Co-authored-by: Qwen-Coder <qwen-coder@alibabacloud.com>

Author: sethuiyer