feat(url): Add valkey and valkeys schemes (#21)

Inspired by the valkey-py client.

https://github.com/valkey-io/valkey-py/blob/v6.0.2/valkey/_parsers/url_parser.py#L40

Signed-off-by: Julien Riou <julien@riou.xyz>

url.go

@@ -41,11 +41,11 @@ func ParseURL(str string) (opt ClientOption, err error) {
 			return dialer.Dial("unix", s)
 		}
 		opt.InitAddress = []string{strings.TrimSpace(u.Path)}
-	case "rediss":
+	case "rediss", "valkeys":
 		opt.TLSConfig = &tls.Config{
 			MinVersion: tls.VersionTLS12,
 		}
-	case "redis":
+	case "redis", "valkey":
 	default:
 		return opt, fmt.Errorf("valkey: invalid URL scheme: %s", u.Scheme)
 	}

url_test.go

@@ -15,9 +15,15 @@ func TestParseURL(t *testing.T) {
 	if opt, err := ParseURL("rediss://"); err != nil || opt.TLSConfig == nil {
 		t.Fatalf("unexpected %v %v", opt, err)
 	}
+	if opt, err := ParseURL("valkeys://"); err != nil || opt.TLSConfig == nil {
+		t.Fatalf("unexpected %v %v", opt, err)
+	}
 	if opt, err := ParseURL("unix://"); err != nil || opt.DialFn == nil {
 		t.Fatalf("unexpected %v %v", opt, err)
 	}
+	if opt, err := ParseURL("valkey://"); err != nil {
+		t.Fatalf("unexpected %v %v", opt, err)
+	}
 	if opt, err := ParseURL("redis://"); err != nil || opt.InitAddress[0] != "localhost:6379" {
 		t.Fatalf("unexpected %v %v", opt, err)
 	}