Rename output component to 'style compinent', move wrap to separate module

src/wrap.rs

@@ -0,0 +1,11 @@
+#[derive(Debug, Eq, PartialEq, Copy, Clone, Hash)]
+pub enum OutputWrap {
+    Character,
+    None,
+}
+
+impl Default for OutputWrap {
+    fn default() -> Self {
+        OutputWrap::None
+    }
+}