Add TOML configuration files for various packages

- Introduced build configurations for graphene, gst-plugins-bad, gst-plugins-base, gstreamer, gtk4, iso-codes, jbig2dec, libepoxy, libsoup3, libtheora, libxpm, lynx, md4c, openjpeg2, poppler-data, python-attrs, python-automat, python-constantly, python-hyperlink, python-incremental, python-twisted, python-versioneer, python-zope-interface, qpdf, sdl12-compat, tinysparql, unixodbc, vmaf, xcb-util-cursor, xcb-util-image, xcb-util-renderutil, xcb-util-wm, xcb-util, xdg-utils.
- Each package includes build type, dependencies, runtime requirements, and source URLs.
- Added necessary post-install scripts and configurations where applicable.

core/mdevd/mdevd-init.initd

@@ -0,0 +1,17 @@
+#!/sbin/openrc-run
+# Copyright 2022 Laurent Bercot for Alpine Linux
+# Distributed under the terms of the ISC License.
+
+description="coldplug trigger for mdevd"
+
+depend() {
+	need mdevd
+	before checkfs fsck
+	keyword -containers -vserver -lxc
+}
+
+start() {
+	ebegin "Scanning hardware for mdevd"
+	mdevd-coldplug -O4
+	eend $?
+}

core/mdevd/mdevd.initd

@@ -0,0 +1,22 @@
+#!/sbin/openrc-run
+# Copyright 2022 Laurent Bercot for Alpine Linux
+# Distributed under the terms of the ISC License.
+
+description="a netlink-listening device manager similar to mdev"
+extra_started_commands="reload"
+description_reload="Reload mdevd's configuration file"
+command="/usr/bin/mdevd"
+command_args="-O4"  # send handled events to nlgrp 4 for libudev-zero
+command_background="yes"
+pidfile="/run/mdevd.pid"
+
+depend() {
+	provide dev
+	need sysfs dev-mount
+	before checkfs fsck
+	keyword -containers -lxc -vserver
+}
+
+reload() {
+	kill -1 `cat "$pidfile"`
+}

core/mdevd/mdevd.toml

@@ -0,0 +1,33 @@
+[build]
+type = "autotools"
+
+[build.flags]
+configure = [
+    "--with-pkgconfig",
+    "--disable-allstatic",
+]
+post_install = [ "install -Dm 755 ../mdevd.initd $DESTDIR/etc/init.d/mdevd", "install -Dm 755 ../mdevd-init.initd $DESTDIR/etc/init.d/mdevd-init" ]
+
+[dependencies]
+runtime = [
+    "glibc",
+    "skalibs",
+]
+
+[package]
+description = "kernel event manager compatible with mdev"
+homepage = "https://skarnet.org/software/mdevd/"
+license = "ISC"
+name = "mdevd"
+version = "0.1.8.1"
+
+[[source]]
+extract_dir = "$name-$version"
+sha256 = "93d2bba7299ff3b1b9f249928c2e84e23a5af3d829ebd9677ea44535c585aa82"
+url = "https://skarnet.org/software/mdevd/mdevd-$version.tar.gz"
+post_extract = [
+  "cd \"src/mdevd\" && sed -i -e 's|else symlink(node, \"root\") ;|else (void)symlink(node, \"root\") ;|' -e '/\\*strchr(ud->devname, '\\''\\\\n'\\'') = 0 ;/c\\        {\\\n          char *p = strchr((char *)ud->devname, '\\''\\\\n'\\'') ;\\\n          if (p) *p = 0 ;\\\n        }' mdevd.c"
+]
+
+[[manual_sources]]
+files = [ "mdevd-init.initd", "mdevd.initd" ]