restructured the build module

modules/build/include/commands.hpp

@@ -0,0 +1,27 @@
+#pragma once
+
+#include "cli_parsers.hpp"
+#include <dpmdk/include/CommonModuleAPI.hpp>
+#include <filesystem>
+
+/**
+ * @brief Handler for the create command
+ *
+ * Processes arguments and creates a DPM package.
+ *
+ * @param argc Number of arguments
+ * @param argv Array of arguments
+ * @return 0 on success, non-zero on failure
+ */
+int cmd_create(int argc, char** argv);
+
+/**
+ * @brief Handler for the help command
+ *
+ * Displays information about available commands in the build module.
+ *
+ * @param argc Number of arguments
+ * @param argv Array of arguments
+ * @return 0 on success, non-zero on failure
+ */
+int cmd_help(int argc, char** argv);