🔨 Refactors into packages models and dtos

src/dtos/tracker.rs

@@ -0,0 +1,17 @@
+use crate::models::tracker::Tracker;
+use serde::{Deserialize, Serialize};
+
+#[derive(Serialize)]
+pub struct TrackerDTO {
+    pub id: String,
+    pub created_at: String,
+}
+
+impl TrackerDTO {
+    pub fn from(tracker: &Tracker) -> TrackerDTO {
+        TrackerDTO {
+            id: tracker.id.to_string(),
+            created_at: tracker.created_at.to_string(),
+        }
+    }
+}