chore: refactor project structure

internal/models/task.go

@@ -0,0 +1,11 @@
+package models
+
+import "time"
+
+type Task struct {
+	Id        int       `json:"id"`
+	Text      string    `json:"text"`
+	Completed bool      `json:"completed"`
+	CreatedAt time.Time `json:"created_at"`
+	UpdatedAt time.Time `json:"updated_at"`
+}