feat(main): Task #5 is done

config/command.yml

@@ -0,0 +1,9 @@
+services:
+    websmid.giftdropdown.command_handler.save_gift_dropdown_handler:
+        class: 'Websmid\GiftDropdown\Command\CommandHandler\SaveGiftDropdownCommandHandler'
+        tags:
+            - {
+                  name: "tactician.handler",
+                  command: 'Websmid\GiftDropdown\Command\SaveGiftDropdownCommand',
+              }
+            - { name: "messenger.message_handler" }

config/services.yml

@@ -0,0 +1,10 @@
+imports:
+    - { resource: command.yml }
+
+services:
+    websmid.giftdropdown.entity.table_prefix_subscriber:
+        class: 'Websmid\GiftDropdown\Entity\TablePrefixSubscriber'
+        arguments:
+            - "%database_prefix%"
+        tags:
+            - { name: doctrine.event_subscriber }