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/skalibs/skalibs.toml

@@ -0,0 +1,25 @@
+[build]
+type = "autotools"
+
+[build.flags]
+configure = [
+    "--enable-pkgconfig",
+    "--with-sysdep-devurandom=yes",
+    "--with-sysdep-posixspawnearlyreturn=no",
+    "--with-sysdep-procselfexe=/proc/self/exe",
+]
+
+[dependencies]
+runtime = ["glibc"]
+
+[package]
+description = "Set of general-purpose C programming libraries for skarnet.org software"
+homepage = "https://skarnet.org/software/skalibs/"
+license = "ISC"
+name = "skalibs"
+version = "2.14.5.1"
+
+[[source]]
+extract_dir = "$name-$version"
+sha256 = "fa359c70439b480400a0a2ef68026a2736b315025a9d95df69d34601fb938f0f"
+url = "https://skarnet.org/software/skalibs/skalibs-$version.tar.gz"