chore: adjust crate keywords and categories

Author: kormide

Cargo.toml

@@ -3,7 +3,8 @@ name = "logcap"
 description = "A library for capturing log output."
 version = "0.1.1"
 edition = "2021"
-keywords = ["log", "capture"]
+keywords = ["log", "capture", "test"]
+categories = ["development-tools::debugging", "development-tools::testing"]
 homepage = "https://github.com/kormide/logcap"
 repository = "https://github.com/kormide/logcap"
 license = "MIT"