feat: add equipment category enum

module-mdm/src/main/java/com/ether/pms/mdm/enums/EquipmentCategory.java

@@ -0,0 +1,22 @@
+package com.ether.pms.mdm.enums;
+
+public enum EquipmentCategory {
+    HVAC("暖通空调"),
+    ELECTRICAL("电气设备"),
+    FIRE("消防设备"),
+    ELEVATOR("电梯设备"),
+    SECURITY("安防设备"),
+    WATER_DRAINAGE("给排水设备"),
+    LIGHTING("照明设备"),
+    SPECIAL("特种设备");
+
+    private final String desc;
+
+    EquipmentCategory(String desc) {
+        this.desc = desc;
+    }
+
+    public String getDesc() {
+        return desc;
+    }
+}