docs: Apply flexible Alerts plugin for EPP (#77)

docs/user/README.md

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+> [!TIP]
+> Apart from the {Module Name} heading, you can use your own titles for the remaining sections. You can also add more module-specific sections.
+
+# {Module Name}
+
+> Modify the title and insert the name of your module. Use Heading 1 (H1).
+
+## Overview
+
+> Provide a description of your module and its components. Describe its features and functionalities. Mention the scope and add information on the CustomResourceDefinitions (CRDs).
+> You can divide this section to the relevant subsections.
+
+## Useful links (Optional)
+
+> Provide links to the most relevant module documentation (tutorials, technical references, resources, etc.).
+
+## Feedback (Optional)
+
+> Describe how users can provide feedback.