cargo: set binary name to `jj`, not new crate name `jujube`
I recently renamed the crate from `jj` to `jujube` because `jj` was
taken on crates.io. I didn't realize that that would change the name
of the binary.
@@ -12,6 +12,10 @@ readme = "README.md"
keywords = ["VCS", "DVCS", "SCM", "Git", "Mercurial"]
categories = ["command-line-utilities", "development-tools"]
+[[bin]]
+name = "jj"
+path = "src/main.rs"
+
[workspace]
members = ["lib"]
