dev-python/mdurl: Add from Gentoo

It's from Gentoo commit f09c040eee6122d51308fa2d4d9203c1f622a9f0.

sdk_container/src/third_party/portage-stable/dev-python/mdurl/Manifest

@@ -0,0 +1 @@
+DIST mdurl-0.1.2.gh.tar.gz 15236 BLAKE2B 797ff496e116c0aa4c5045e9dc34f0762b1492d74fc0b85a081fb7447c3880618e0e4936205afb92b75524e0381fe4ab94d0d47faae9a6ed6d7b2fc51a5efba3 SHA512 e301ca3ab6d80df1ad28b9c2725d66b6e6cf139d93e5f7fd2a70333678616a3f6db64f15250972eee3cd1cf1eaff6ec587415629e6802dcf07995edff6865ff2

sdk_container/src/third_party/portage-stable/dev-python/mdurl/mdurl-0.1.2.ebuild

@@ -0,0 +1,25 @@
+# Copyright 2022-2024 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=8
+
+DISTUTILS_USE_PEP517=flit
+PYTHON_COMPAT=( python3_{10..13} pypy3 )
+
+inherit distutils-r1
+
+DESCRIPTION="Markdown URL utilities"
+HOMEPAGE="
+	https://pypi.org/project/mdurl/
+	https://github.com/executablebooks/mdurl/
+"
+SRC_URI="
+	https://github.com/hukkin/mdurl/archive/${PV}.tar.gz
+		-> ${P}.gh.tar.gz
+"
+
+LICENSE="MIT"
+SLOT="0"
+KEYWORDS="~alpha amd64 arm arm64 hppa ~ia64 ~loong ~m68k ~mips ppc ppc64 ~riscv ~s390 sparc x86"
+
+distutils_enable_tests pytest

sdk_container/src/third_party/portage-stable/dev-python/mdurl/metadata.xml

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+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE pkgmetadata SYSTEM "https://www.gentoo.org/dtd/metadata.dtd">
+<pkgmetadata>
+	<maintainer type="project">
+		<email>python@gentoo.org</email>
+		<name>Python</name>
+	</maintainer>
+	<stabilize-allarches/>
+	<upstream>
+		<remote-id type="pypi">mdurl</remote-id>
+		<remote-id type="github">executablebooks/mdurl</remote-id>
+	</upstream>
+</pkgmetadata>