aider: Import the `context` package to fix the undefined `context` error in `relp_handler.go`.

# Aider chat conversation:

USER: ../relp_handler.go:118:34: undefined: context

ASSISTANT: To fix the undefined `context` error in `relp_handler.go`, we need to import the `context` package. Here is the *SEARCH/REPLACE* block:

relp_handler.go
```python
<<<<<<< SEARCH
	"encoding/json"
=======
	"context"
	"encoding/json"
>>>>>>> REPLACE
```

relp_handler.go

@@ -1,6 +1,7 @@
 package simplelog
 
 import (
+	"context"
 	"encoding/json"
 	"fmt"
 	"io/ioutil"