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 $?
+}