feat: implement database management API with MySQL driver and schema operations

backend/app/Services/DatabaseService.php

@@ -172,4 +172,20 @@ class DatabaseService
     {
         return $this->getDriver()->createDatabase($name, $charset, $collation);
     }
+
+    /**
+     * Drop a database.
+     */
+    public function dropDatabase(string $name): bool
+    {
+        return $this->getDriver()->dropDatabase($name);
+    }
+
+    /**
+     * Rename a database.
+     */
+    public function renameDatabase(string $oldName, string $newName): bool
+    {
+        return $this->getDriver()->renameDatabase($oldName, $newName);
+    }
 }