message: Add repository url to Cargo.toml
diff: [package]
  name = "gluesql"
  -version = "0.1.0"
  +version = "0.1.1"
  authors = ["Taehoon Moon <panarch@kaist.ac.kr>"]
  edition = "2018"
  description = "GlueSQL - Open source SQL database engine fully written in Rust with pure functional execution layer, easily swappable storage and web assembly support!"
  license = "MPL-2.0"
  +repository = "https://github.com/panarch/gluesql"
  [workspace]
  members = [
  