Update push-and-pull.md
Update push-and-pull.md
ZotPlus/zotero-better-bibtex,ZotPlus/zotero-better-bibtex,retorquere/zotero-better-bibtex,ZotPlus/zotero-better-bibtex,retorquere/zotero-better-bibtex,retorquere/zotero-better-bibtex,retorquere/zotero-better-bibtex,retorquere/zotero-better-bibtex,retorquere/zotero-better-bibtex,ZotPlus/zotero-better-bibtex