fix: Correct GitLab link and typos
Replace https://invent.kde.org/kde/kdeconnect-android/
with https://invent.kde.org/network/kdeconnect-android/
.
Correct some typos.
Replace https://invent.kde.org/kde/kdeconnect-android/
with https://invent.kde.org/network/kdeconnect-android/
.
Correct some typos.