device-nokia-n900: minor packaging improvements (for i3)

1. dependencies useful for all X11 DEs/WMs moved to x11 subpackage
2. add dmenu-based power key menu with options for shutdown, reboot, and screenshot
3. handle power and screenlock keys using i3 directly, instead of acpi/evtest
4. add mouse key emulation via Shift+keyboard-keys

Packages you maintain have been changed: @danct12

added 1 commit

• 3e6e7adc - device-nokia-n900: minor packaging improvements (for i3)

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added 1 commit

• 85434854 - device-nokia-n900: minor packaging improvements (for i3)

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approved this merge request

added category::device device-nokia-n900 type::feature labels

approved this merge request

Thanks a lot for the continuous care for this device! And sorry this idled here for a bit

added 16 commits

• 85434854...1fa198e2 - 15 commits from branch postmarketOS:master
• 30448300 - device-nokia-n900: minor packaging improvements (for i3) (MR 6258)

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enabled an automatic merge when all merge checks for 30448300 pass

merged