Migrate what bit of the yapper.py script there was to rust.

src/og.rs

@@ -0,0 +1,46 @@
+use std::fmt;
+
+use serde::Deserialize;
+
+#[derive(Clone, Debug, Deserialize)]
+pub enum Gender {
+    Male,
+    Female,
+}
+
+impl fmt::Display for Gender {
+    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
+        write!(f, "{:?}", self)
+    }
+}
+
+impl Into<String> for Gender {
+    fn into(self) -> String {
+        self.to_string().to_lowercase()
+    }
+}
+
+#[derive(Clone, Debug, Deserialize)]
+pub struct Author {
+    name: Name,
+    gender: Gender,
+}
+
+#[derive(Clone, Debug, Deserialize)]
+pub enum Name {
+    FirstOnly {
+        first: String,
+    },
+    Full {
+        first: String,
+        last: String,
+    },
+    UserOnly {
+        user: String,
+    },
+    All {
+        first: String,
+        last: String,
+        user: String,
+    },
+}