[chore]: change package name and update readme#100

Kylejeong2 merged 2 commits intomainbrowserbase/mcp-server-browserbase:mainfrom

kyle/gro-224-mcp-server-name-change-and-deprecating-browserbasehqmcpbrowserbase/mcp-server-browserbase:kyle/gro-224-mcp-server-name-change-and-deprecating-browserbasehqmcpCopy head branch name to clipboard