add DNF ToC and function to install and remove packages

Examples.md

@@ -22,6 +22,7 @@ Table of Contents
   * [NPM](#npm)
   * [Homebrew](#homebrew)
   * [Homebrew Cask](#homebrew-cask)
+  * [DNF](#dnf)
 * Filesystem navigation
   * [Opening files](#opening-files)
   * [Changing directory](#changing-directory)
@@ -1140,6 +1141,28 @@ uninstall() {
     fi                                                                            
 }                                                                                 
 ```
+### DNF
+
+```sh
+# Fuzzy search the available DNF packages and install the selected package/s.
+dnfzf-install() { 
+    dnf repoquery -Cq --queryformat '%{name}' | 
+    fzf --multi \
+        --with-nth=1 \
+        --preview-window 'right,65%,wrap' \
+        --preview 'dnf -C --quiet info {1}' | xargs -ro sudo dnf install
+}
+```
+
+```sh
+# List all the packages then remove or uninstall the selected package/s.
+dnfzf-remove() {
+    rpm -qa --qf '%{NAME}\n' |
+    fzf --multi \
+        --preview-window 'right,65%,wrap' \
+        --preview 'rpm -qa --info {1}' | xargs -ro sudo dnf remove
+}
+```
 
 
 ### v