feat: enhance query handling with modules and plugins

- Added ManyToMany relationship for plugins in Query entity.
- Updated QueryExecuterController to accept structured query data.
- Enhanced QueryExecuterService to support plugin initialization and execution.
- Implemented QueryHandlerService methods for creating and updating queries, modules, and plugins.
- Introduced new endpoints for creating and adding modules and plugins to queries.
- Created Plugin base class and DatabasePlugin implementation for database interactions.
- Updated VM class to integrate plugin functionality during script execution.
- Added test cases for project, query, module, and plugin operations.

src/vm/plugins.constants.ts

@@ -0,0 +1,5 @@
+import { DatabasePlugin } from "./plugins/database.plugin";
+
+export const PluginClass = {
+  DATABASE: DatabasePlugin,
+};