Actually apply the pre-commit fixers to the codebase.

This can be redone manually with
`pre-commit run --all`

While the pre-commit hook could be merged to run locally,
it is much cleaner to align all the files to best-practice
syntax in a single commit. It is also required for server-side
validation.

client/options.go

@@ -2,10 +2,11 @@ package client
 
 import (
 	"fmt"
-	"heckel.io/ntfy/util"
 	"net/http"
 	"strings"
 	"time"
+
+	"heckel.io/ntfy/util"
 )
 
 // RequestOption is a generic request option that can be added to Client calls