pages*: make help and version commands comply with the style guide (#12107)

* pages*: use generic word for help

* git: add newline to the end

Co-authored-by: K.B.Dharun Krishna <kbdharunkrishna@gmail.com>

* pages*: make help and version commands comply with the style guide

* java: fix Java name

---------

Co-authored-by: K.B.Dharun Krishna <kbdharunkrishna@gmail.com>

pages/linux/gnome-extensions.md

@@ -3,10 +3,6 @@
 > Manage gnome extensions from the terminal.
 > More information: <https://wiki.gnome.org/Projects/GnomeShell/Extensions>.
 
-- Display the version:
-
-`gnome-extensions version`
-
 - List all the installed extensions:
 
 `gnome-extensions list`
@@ -15,10 +11,6 @@
 
 `gnome-extensions info "{{extension_id}}"`
 
-- Display help for a subcommand (like `list`):
-
-`gnome-extensions help {{subcommand}}`
-
 - Enable a specific extension:
 
 `gnome-extensions enable "{{extension_id}}"`
@@ -30,3 +22,11 @@
 - Uninstall a specific extension:
 
 `gnome-extension uninstall "{{extension_id}}"`
+
+- Display help for a specific subcommand (like `list`):
+
+`gnome-extensions help {{subcommand}}`
+
+- Display version:
+
+`gnome-extensions version`