GitLab

* Add py.typed so consumers of vLLM can get type checking

* Update py.typed

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Co-authored-by: aarnphm <29749331+aarnphm@users.noreply.github.com>
Co-authored-by: Zhuohan Li <zhuohan123@gmail.com>

Co-authored-by: squeeze-ai-lab <squeezeailab.bair@gmail.com>
Co-authored-by: Woosuk Kwon <woosuk.kwon@berkeley.edu>

Co-authored-by: Yunfeng Bai <yunfeng.bai@scale.com>

Co-authored-by: Robert Irvine <robert@seamlessml.com>
Co-authored-by: root <rirv938@gmail.com>
Co-authored-by: Casper <casperbh.96@gmail.com>
Co-authored-by: julian-q <julianhquevedo@gmail.com>

Co-authored-by: neubig <neubig@gmail.com>