chore: rename project and lib crate

01.workspace/oxidice_lib/src/tst/die_roll.rs

@@ -0,0 +1,11 @@
+#[cfg(test)]
+mod tests {
+    use crate::*;
+    #[test]
+    pub fn die_roll_should_always_stay_inside_range() {
+        let die = Die::new(6);
+        for _ in 1..=10000 {
+            assert!(die.roll() < 6);
+        }
+    }
+}