init - add project files

tools/jet-2.12.0/vendor/github.com/jackc/pgio/README.md

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+[![](https://godoc.org/github.com/jackc/pgio?status.svg)](https://godoc.org/github.com/jackc/pgio)
+[![Build Status](https://travis-ci.org/jackc/pgio.svg)](https://travis-ci.org/jackc/pgio)
+
+# pgio
+
+Package pgio is a low-level toolkit building messages in the PostgreSQL wire protocol.
+
+pgio provides functions for appending integers to a []byte while doing byte
+order conversion.
+
+Extracted from original implementation in https://github.com/jackc/pgx.