1b: Add my_module.info.yml

Add the my_module.info.yml file so that the module can be enabled.

.gitignore

@@ -10,6 +10,7 @@
 !/docker-compose.yaml
 !/Makefile
 !/php.ini
+!/web/modules/custom/**
 !/web/sites/default/settings.php
 !/web/sites/default/settings.symfony.php
 !/workspace.yml

web/modules/custom/my_module/my_module.info.yml

@@ -0,0 +1,5 @@
+name: My Module
+type: module
+core: 8.x
+core_version_requirement: ^8 || ^9
+package: Custom