upgpkg: discord 0.0.55-2: refactor, fix autostart, add deps, use wayland

* Slightly refactor PKGBUILD
* Fix autostart desktop file
* Add optional dependency used in official arch package
* Include patcher to allow Krisp noise suppression support
* Add install file to inform user about this change
* Use Wayland instead of Xwayland in a Wayland session by setting
  Electron flag `ozone-platform-hint` to auto (default is X11)

update-package.sh

@@ -0,0 +1,57 @@
+#!/usr/bin/env bash
+
+set -euo pipefail
+
+readonly all_off="$(tput sgr0)"
+readonly bold="${all_off}$(tput bold)"
+readonly white="${bold}$(tput setaf 7)"
+readonly blue="${bold}$(tput setaf 4)"
+readonly red="${bold}$(tput setaf 1)"
+
+msg() {
+	printf "${blue}::${white} $1${all_off}\n"
+}
+
+error() {
+	printf "${red}::${white} $1${all_off}\n"
+}
+
+msgbegin() {
+	printf "${blue}::${white} $1"
+}
+
+msgend() {
+	printf "$1${all_off}\n"
+}
+
+
+readonly krisp_zip='discord_krisp-1.zip'
+readonly krisp_bin='discord_krisp.node'
+
+# head to directory of this script
+cd $(dirname "$0")
+
+# update package to version used in PKGBUILD
+source PKGBUILD
+
+msg "Running updpkgsums (Updating checksums)"
+updpkgsums
+
+msg "Running mksrcinfo (Updating SRCINFO file)"
+makepkg --printsrcinfo > .SRCINFO
+
+msg "Getting Krisp module"
+curl -O "https://dl.discordapp.net/apps/linux/${_pkgver:-${pkgver}}/modules/${krisp_zip}"
+unzip "${krisp_zip}" "${krisp_bin}"
+
+msg "Checking if Krisp module is patchable (watch output)"
+python krisp-patcher.py "${krisp_bin}"
+
+#msg "Updating Krisp module checksum"
+#readonly chcksm=$(b2sum "${krisp_bin}.orig" | head -c 128)
+#sed -i "s/^_krisp_b2sum='.*'$/_krisp_b2sum='${chcksm}'/" PKGBUILD
+
+msgbegin "Cleaning up... "
+rm -f "${krisp_zip}" "${krisp_bin}" "${krisp_bin}.orig"
+
+msgend "Done"