add scripts to build mullvad-vpn-slint with podman

mullvad-vpn-slint/APKBUILD

@@ -1,98 +0,0 @@
-# Contributor:
-# Maintainer:
-pkgname=mullvad-slint
-pkgver=2026.1_git
-pkgrel=0
-pkgdesc="Mullvad VPN GUI"
-url="https://mullvad.net/"
-arch="$(uname -m)"
-license="GPL-3-or-later"
-# TODO: maybe depend on mullvad-vpn-daemon?
-depends="
-  freetype-dev
-  freetype-static
-  fontconfig-dev
-  fontconfig-static
-  bzip2-dev
-  bzip2-static
-  brotli-dev
-  brotli-static
-  expat-dev
-  expat-static
-  libx11-dev
-  libxcursor-dev
-  libxkbcommon-dev
-  libxkbcommon-static
-  wayland-dev
-  wayland-libs-client
-  wayland-libs-server
-  wayland-static
-  openssl-dev
-  openssl-libs-static
-  zlib-dev
-  zlib-static
-  libpng-dev
-  libpng-static
-  libwebp-dev
-  libwebp-static
-  tiff-dev
-  libjpeg-turbo-dev
-  libjpeg-turbo-static
-"
-makedepends="
-	rustup
-  build-base
-  musl-dev
-  gcc
-  cmake
-  make
-  pkgconfig
-  perl
-  python3
-  curl
-  git
-  llvm
-  clang
-  clang-libclang
-  protobuf-dev
-  libc-dev
-  linux-headers
-"
-checkdepends=""
-install=""
-subpackages=""
-source=""
-builddir="$srcdir/"
-options="net"
-
-
-build() {
-	# rustup-init -y --default-toolchain stable
-	source "$HOME/.cargo/env"
-
-	cd "$startdir/mullvadvpn-app"
-
-	# rustup default stable
-	local target="$(rustup +stable show active-toolchain | sed 's/^[^-]*-//' | grep -o "^[^ ]*")"
-
-	# * Force the `stable` toolchain since it's installed in the container.
-	#   We don't wan't to needlessly download rust while building.
-	# * Disable `tray-icon` feature. (TODO: figure out how to compile with libdbus)
-	# * Specify `--target` so that the final binary ends up in target/<target>/release.
-	cargo +stable build --release --locked \
-	    --target "$target" \
-	    --no-default-features --features map \
-	    -p mullvad-slint
-}
-
-package() {
-	local cargo_target_dir="${CARGO_TARGET_DIR:-$startdir/mullvadvpn-app/target}"
-	local target="$(rustup +stable show active-toolchain | sed 's/^[^-]*-//' | grep -o "^[^ ]*")"
-
-	# TODO: .desktop
-	# TODO: icon
-
-	install -m755 -D "$cargo_target_dir/$target/release/$pkgname" \
-		"$pkgdir"/usr/bin/"$pkgname"
-}
-