MG: Tidy up conclusion.

[olivegamestudio]

articles/tutorials/advanced/MobileDeployment/04_publishing/index.md
adb install your-app.apk

# Conclusion

(https://github.com/MonoGame/docs.monogame.github.io/pull/169#discussion_r2311974784)
Conclusion could be a separate and final chapter, providing a catchup/review of what the reader has achieved and some links to where they might want to find out more? E.G. different store docs/help guides.