[ticket/13740] Installer's install tasks and modules

[ci skip]

PHPBB3-13740

phpBB/config/installer/container/services_install_controller.yml

@@ -0,0 +1,29 @@
+services:
+    phpbb.installer.controller.welcome:
+        class: phpbb\install\controller\install_index
+        arguments:
+            - @phpbb.installer.controller.helper
+            - @language
+            - @template
+            - %core.root_path%
+
+    phpbb.installer.controller.helper:
+        class: phpbb\install\controller\helper
+        arguments:
+            - @language
+            - @language.helper.language_file
+            - @installer.navigation.provider
+            - @template
+            - @path_helper
+            - @symfony_request
+            - @router
+            - %core.root_path%
+
+    phpbb.installer.controller.install:
+        class: phpbb\install\controller\install
+        arguments:
+            - @phpbb.installer.controller.helper
+            - @installer.helper.iohandler_factory
+            - @template
+            - @request
+            - @installer.installer.install