feat: add volcengine dns provider and add volcengine live deployer

internal/applicant/volcengine.go

@@ -0,0 +1,35 @@
+package applicant
+
+import (
+	"encoding/json"
+	"fmt"
+	"os"
+
+	volcengineDns "github.com/go-acme/lego/v4/providers/dns/volcengine"
+	"github.com/usual2970/certimate/internal/domain"
+)
+
+type volcengine struct {
+	option *ApplyOption
+}
+
+func NewVolcengine(option *ApplyOption) Applicant {
+	return &volcengine{
+		option: option,
+	}
+}
+
+func (a *volcengine) Apply() (*Certificate, error) {
+	access := &domain.VolcengineAccess{}
+	json.Unmarshal([]byte(a.option.Access), access)
+
+	os.Setenv("VOLC_ACCESSKEY", access.AccessKeyID)
+	os.Setenv("VOLC_SECRETKEY", access.SecretAccessKey)
+	os.Setenv("VOLC_PROPAGATION_TIMEOUT", fmt.Sprintf("%d", a.option.Timeout))
+	dnsProvider, err := volcengineDns.NewDNSProvider()
+	if err != nil {
+		return nil, err
+	}
+
+	return apply(a.option, dnsProvider)
+}