update config to add some more useful fields

src/config.rs

@@ -1,9 +1,15 @@
-#[derive(serde::Deserialize, serde::Serialize)]
+#[derive(serde::Deserialize, serde::Serialize, Default)]
 pub struct Config {
     /// The name of the output binary
     pub name: String,
     /// The default build to use
     pub default_build: String,
+    /// A brief description
+    pub description: Option<String>,
+    /// The version of the project
+    pub version: Option<String>,
+    /// The authors of the project
+    pub authors: Option<Vec<String>>,
     /// Build configs
     pub build: Vec<BuildConf>,
 }
@@ -14,6 +20,7 @@ impl Config {
             name: name.to_owned(),
             default_build: "debug".to_owned(),
             build: vec![BuildConf::debug(), BuildConf::release()],
+            ..Default::default()
         }
     }