feat(plugin): align with Shopware plugin guidelines

- add dedicated monolog channel aeon_dump_manager and log dump jobs
- migrate services.xml/routes.php to YAML
- require PHP ^8.2
- add extension icon and .config/shopware-extension.yml
- drop empty lifecycle overrides

Co-Authored-By: Claude Sonnet 5.5 <noreply@anthropic.com>

.config/shopware-extension.yml

@@ -0,0 +1,21 @@
+# shopware-cli extension configuration (build/package/validate)
+build:
+  zip:
+    pack:
+      excludes:
+        paths:
+          - tests
+          - docs
+          - scripts
+          - phpunit.xml
+          - docker-compose.yml
+          - skills-lock.json
+          - AGENTS.md
+          - CLAUDE.md
+          - QWEN.md
+          - .claude
+          - .scratch
+          - .wayfinder
+          - src/Resources/config/plugin-transparent.png
+validation:
+  ignore: []