Update README.md

add vendor dir for protoc

language-server - special handling for pollapo repositories (pbkit#189)

fix(codegen/binary): Fix repeated packed enum decode bug (pbkit#188)

Co-authored-by: JongChan Choi <disjukr@naver.com>

refactor(lsp): Add lsp type definition and apply on request handlers …

…in `server.ts` (pbkit#174)

Co-authored-by: Jongchan Choi <jong@chan.moe>

Apply parameter type in serializeJson (pbkit#158)

Arrange return type between runtime code and real implementation (pbk…

…it#157)