Merge pull request #17 from theseus-rs/update-keywords

docs: add postgres to keywords

Author: brianheineman

Cargo.toml

@@ -7,7 +7,7 @@ resolver = "2"
 authors = ["Brian Heineman <brian.heineman@gmail.com>"]
 categories = ["database"]
 edition = "2021"
-keywords = ["postgresql", "ffi", "database"]
+keywords = ["postgresql", "postgres", "database"]
 license = "(Apache-2.0 OR MIT) AND PostgreSQL"
 repository = "https://github.com/theseus-rs/postgresql-embedded"
 version = "0.3.2"