feat: add method roll to Handful

01.workspace/oxidice_lib/src/imp/handful_roll.rs

@@ -0,0 +1,14 @@
+use crate::*;
+
+impl Handful {
+    pub fn roll(self) -> Outcome {
+        let mut die_rolls = Vec::<u16>::new();
+        for die in self.dice {
+            die_rolls.push(die.roll());
+        }
+        Outcome::List(die_rolls)
+    }
+}
+
+// #[cfg(test)]
+// mod unit_tests { use super::*; }

01.workspace/oxidice_lib/src/imp/mod.rs

@@ -1,3 +1,4 @@
 pub mod die_new;
 pub mod die_roll;
 pub mod handful_grab;
+pub mod handful_roll;