Add package description

Author: bartnv

Cargo.toml

@@ -1,8 +1,10 @@
 [package]
 name = "xml-to-postgres"
 version = "0.1.0"
-authors = ["Bart Noordervliet"]
+authors = ["Bart Noordervliet <[email protected]>"]
 edition = "2018"
+description = "Fast converter from XML to PostgreSQL dump format"
+publish = false
 
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html