Add support for dnf and fedora in checkUpdates.sh (#249)

* Add support for dnf and fedora in checkUpdates.sh

* commit changes to updates + bar

* Remove antiquated padding shenanigan <3

Co-authored-by: Jas Singh <jaskiratpal.singh@outlook.com>

---------

Co-authored-by: Jas Singh <jaskiratpal.singh@outlook.com>

scripts/checkUpdates.sh

@@ -10,6 +10,11 @@ check_ubuntu_updates() {
   echo "$result"
 }
 
+check_fedora_updates() {
+  result=$(dnf check-update -q | grep -v '^Loaded plugins' | grep -v '^No match for' | wc -l)
+  echo "$result"
+}
+
 case "$1" in
 -arch)
     check_arch_updates
@@ -17,6 +22,9 @@ case "$1" in
 -ubuntu)
     check_ubuntu_updates
     ;;
+-fedora)
+    check_fedora_updates
+    ;;
 *)
     echo "0"
     ;;