docs: update lessons.md with github pages enablement tip

Author: synkfr

tasks/lessons.md

@@ -12,3 +12,5 @@
 ## 🚀 CI/CD Automation
 *   **Lesson**: Always include the Gradle wrapper (`gradlew`) in the repository to ensure CI environments (GitHub Actions) can execute builds without requiring pre-installed global Gradle versions.
 *   **Context**: Initial GitHub Action failed because `gradlew` was missing from the repository.
+
+*   **Lesson**: When deploying to GitHub Pages via Actions, use `enablement: true` in `actions/configure-pages` to help bypass manual configuration hurdles, though manual setting to "GitHub Actions" as source is still the most reliable method.