Added metadata

Cargo.toml

@@ -2,6 +2,12 @@
 name = "ansible-sshman"
 version = "0.2.0"
 edition = "2021"
+authors = ["Linus <[email protected]>"]
+description = "Tool for managing SSH access to machines in conjunction with Ansible."
+repository = "https://github.com/lirkwood/ansible-sshman"
+keywords = ["ansible", "ssh", "cli", "network", "security"]
+categories = ["command-line-utilities", "config", "network-programming", "parsing", "cryptography"]
+license = "GPL-3.0-or-later"
 
 [dependencies]
 clap = {version = "3.2.20", features = ["derive"]}