add wlx-common lib, move GeneralConfig into it

wlx-common/src/common.rs

@@ -0,0 +1,9 @@
+use serde::{Deserialize, Serialize};
+
+#[derive(Debug, Serialize, Deserialize, Clone, Copy, Default)]
+#[repr(u8)]
+pub enum LeftRight {
+	#[default]
+	Left,
+	Right,
+}