kpackagetool6: add page; kpackagetool5: update link (#15404)

Co-authored-by: Wiktor Perskawiec <git@spageektti.cc>

pages/linux/kpackagetool5.md

@@ -1,7 +1,7 @@
 # kpackagetool5
 
 > KPackage Manager: install, list, remove Plasma packages.
-> More information: <https://techbase.kde.org/Development/Tutorials/Plasma5/QML2/GettingStarted#Kpackagetool5>.
+> More information: <https://manned.org/kpackagetool5>.
 
 - List all known package types that can be installed:
 
@@ -15,7 +15,7 @@
 
 `kpackagetool5 --type {{package_type}} --upgrade {{path/to/directory}}`
 
-- List installed plasmoids (--global for all users):
+- List installed plasmoids (`--global` for all users):
 
 `kpackagetool5 --type Plasma/Applet --list --global`
 

pages/linux/kpackagetool6.md

@@ -0,0 +1,24 @@
+# kpackagetool6
+
+> KPackage Manager: install, list, remove Plasma packages.
+> More information: <https://manned.org/kpackagetool6>.
+
+- List all known package types that can be installed:
+
+`kpackagetool6 --list-types`
+
+- Install the package from a directory:
+
+`kpackagetool6 --type {{package_type}} --install {{path/to/directory}}`
+
+- Update installed package from a directory:
+
+`kpackagetool6 --type {{package_type}} --upgrade {{path/to/directory}}`
+
+- List installed plasmoids (`--global` for all users):
+
+`kpackagetool6 --type Plasma/Applet --list --global`
+
+- Remove a plasmoid by name:
+
+`kpackagetool6 --type Plasma/Applet --remove "{{name}}"`