dnf5 add page (#12626)

Co-authored-by: K.B.Dharun Krishna <kbdharunkrishna@gmail.com>
Co-authored-by: cyqsimon <28627918+cyqsimon@users.noreply.github.com>
Co-authored-by: Sebastiaan Speck <12570668+sebastiaanspeck@users.noreply.github.com>

pages/linux/dnf5.md

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+# dnf5
+
+> Package management utility for RHEL, Fedora, and CentOS (it replaces dnf, which in turn replaced yum).
+> DNF5 is a C++ rewrite of the DNF package manager featuring improved performance and a smaller size.
+> For equivalent commands in other package managers, see <https://wiki.archlinux.org/title/Pacman/Rosetta>.
+> More information: <https://dnf5.readthedocs.io/>.
+
+- Upgrade installed packages to the newest available versions:
+
+`sudo dnf5 upgrade`
+
+- Search packages via keywords:
+
+`dnf5 search {{keyword1 keyword2 ...}}`
+
+- Display details about a package:
+
+`dnf5 info {{package}}`
+
+- Install new packages (Note: use `-y` to confirm all prompts automatically):
+
+`sudo dnf5 install {{package1 package2 ...}}`
+
+- Remove packages:
+
+`sudo dnf5 remove {{package1 package2 ...}}`
+
+- List installed packages:
+
+`dnf5 list --installed`
+
+- Find which packages provide a given command:
+
+`dnf5 provides {{command}}`
+
+- Remove or expire cached data:
+
+`sudo dnf5 clean all`