upower: add page (#5923)

* Added upower tldr page

* Added missing colon

* Update pages/linux/upower.md

Co-authored-by: bl-ue <54780737+bl-ue@users.noreply.github.com>

* Update pages/linux/upower.md

Co-authored-by: bl-ue <54780737+bl-ue@users.noreply.github.com>

* Update pages/linux/upower.md

Co-authored-by: bl-ue <54780737+bl-ue@users.noreply.github.com>

* Update pages/linux/upower.md

Co-authored-by: marchersimon <50295997+marchersimon@users.noreply.github.com>

* Reworded all enumerate command since it included non-battery devices

* Changed power to battery and added 'Power and battery' to the dump command

* power and battery, rather than just power

I chose option 1

Co-authored-by: marchersimon <50295997+marchersimon@users.noreply.github.com>

* Reworded dump to Display

Co-authored-by: Axel Navarro <navarroaxel@gmail.com>

* Update pages/linux/upower.md

Co-authored-by: marchersimon <50295997+marchersimon@users.noreply.github.com>

Co-authored-by: bl-ue <54780737+bl-ue@users.noreply.github.com>
Co-authored-by: marchersimon <50295997+marchersimon@users.noreply.github.com>
Co-authored-by: Axel Navarro <navarroaxel@gmail.com>

pages/linux/upower.md

@@ -0,0 +1,24 @@
+# upower
+
+> System utility to provide power and battery information and statistics.
+> More information: <https://upower.freedesktop.org/docs/upower.1.html>.
+
+- Display power and battery information:
+
+`upower --dump`
+
+- List all power devices:
+
+`upower --enumerate`
+
+- Watch for and print power status changes:
+
+`upower --monitor`
+
+- Watch for and print detailed power status changes:
+
+`upower --monitor-detail`
+
+- Display version:
+
+`upower --version`