feat: add author and description to Cargo.toml

Author: David Freire

Cargo.toml

@@ -2,6 +2,8 @@
 name = "sqlshield"
 version = "0.1.0"
 edition = "2021"
+authors = ["David Freire"]
+description = "Validate raw sql queries inside code files against a schema"
 
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html