feat: add Location and EventLogEntry data models

android/app/src/main/kotlin/com/traccar/traccar_client/model/EventLogEntry.kt

@@ -0,0 +1,17 @@
+package com.traccar.traccar_client.model
+
+data class EventLogEntry(
+    val id: Long = 0,
+    val timestamp: Long,
+    val eventType: String,
+    val message: String
+)
+
+enum class EventType {
+    LOCATION,
+    FILTERED,
+    SYNC,
+    HEARTBEAT,
+    NETWORK_CHANGE,
+    ERROR
+}

android/app/src/main/kotlin/com/traccar/traccar_client/model/Location.kt

@@ -0,0 +1,14 @@
+package com.traccar.traccar_client.model
+
+data class Location(
+    val id: Long = 0,
+    val timestamp: Long,
+    val latitude: Double,
+    val longitude: Double,
+    val accuracy: Float?,
+    val speed: Float?,
+    val heading: Float?,
+    val altitude: Double?,
+    val isMoving: Boolean,
+    val synced: Boolean = false
+)