Include wireless-regdb to resolve #1083 (#1279)

* Add wireless-regdb alongside iwd

Needed for regulatory compliance for Wi-Fi and enabling some bands on some chipsets

* Add wireless-regdb

* Changed location of wireless-regdb install

* configure the wireless-regdom during install

* remove extra newline

* don't unset the variable too early

* also set the region as part of the script

* writing to wireless-regdom requires root

* need to use tee

* changing logic since this is brought in as source

* handle timezones that start with country code already

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Co-authored-by: Nirav Patel <eclecticc@users.noreply.github.com>

install/packages.sh

@@ -114,6 +114,7 @@ sudo pacman -S --noconfirm --needed \
   waybar \
   wf-recorder \
   whois \
+  wireless-regdb \
   wiremix \
   wireplumber \
   wl-clip-persist \