🔧 Added custom wireshark hook to pacman

custom_hooks/install.md

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+This is a simple pacman hook that will update the mandb (the database of man
+pages) whenever you update.
+
+It was taken from this Artix form post:
+
+https://forum.artixlinux.org/index.php/topic,1080.0.html
+
+very simply:
+
+doas cp mandb-update.hook /usr/share/libalpm/hooks
+
+You can also uncomment this line in /etc/pacman.conf:
+
+HookDir = /etc/pacman.d/hooks/
+
+You may need to create this directory. Inside of it you can create a .hook file:
+
+```sh
+touch wireshark-dumpcap.hook
+```
+
+Here is a sample hook:
+
+```
+[Trigger]
+Operation = Upgrade
+Type = Package
+Target = wireshark-cli
+
+[Action]
+Description = Fixing permissions for dumpcap...
+When = PostTransaction
+Exec = /bin/sh -c 'chgrp wireshark /usr/bin/dumpcap && setcap cap_net_raw,cap_net_admin=ep /usr/bin/dumpcap'
+```