Update docs for context and timeout

README.md

@@ -57,6 +57,9 @@ func main() {
 
     // Use custom queue called "critical"
     err = client.Schedule(t1, time.Now(), asynq.Queue("critical"))
+
+    // Use timeout to specify how long a task may run (Default is no limit)
+    err = client.Schedule(t1, time.Now(), asynq.Timeout(30 * time.Second))
 }
 ```
 
@@ -94,7 +97,7 @@ func main() {
 // If ProcessTask return a non-nil error or panics, the task
 // will be retried after delay.
 type Handler interface {
-    ProcessTask(*Task) error
+    ProcessTask(context.Context, *asynq.Task) error
 }
 ```
 

doc.go

@@ -45,7 +45,7 @@ Example of a type that implements the Handler interface.
         // ...
     }
 
-    func (h *TaskHandler) ProcessTask(task *asynq.Task) error {
+    func (h *TaskHandler) ProcessTask(ctx context.Context, task *asynq.Task) error {
         switch task.Type {
         case "send_email":
             id, err := task.Payload.GetInt("user_id")