feat: migrated the operator code to v4

k8-operator/internal/template/base64.go

@@ -0,0 +1,18 @@
+package template
+
+import (
+	"encoding/base64"
+	"fmt"
+)
+
+func decodeBase64ToBytes(encodedString string) string {
+	decoded, err := base64.StdEncoding.DecodeString(encodedString)
+	if err != nil {
+		panic(fmt.Sprintf("Error: %v", err))
+	}
+	return string(decoded)
+}
+
+func encodeBase64(plainString string) string {
+	return base64.StdEncoding.EncodeToString([]byte(plainString))
+}