Removed DLL

Added All functions from DLL into HarmonyLinkServer

src/battery/structs.rs

@@ -0,0 +1,25 @@
+use serde::{Deserialize, Serialize};
+
+#[derive(Deserialize, Serialize, PartialEq)]
+pub enum ChargingStatus {
+    Charging,
+    Battery,
+    UNKNOWN,
+}
+
+#[derive(Deserialize, Serialize)]
+pub struct BatteryInfo {
+    pub has_battery: bool,
+    pub battery_percent: i8,
+    pub charging_status: ChargingStatus,
+}
+
+impl BatteryInfo {
+    pub fn new() -> BatteryInfo {
+        BatteryInfo { 
+            has_battery: false,
+            battery_percent: 0,
+            charging_status: ChargingStatus::UNKNOWN
+        }
+    }
+}