Add new packages and build scripts for various libraries

- Introduced build scripts for gsettings-desktop-schemas, hypercorn, json-glib, libassuan, libbsd, libcloudproviders, libdaemon, libmd, libproxy, libsass, libseccomp, libxcomposite, libxdamage, libxtst, lmdb, python-aiofiles, python-blinker, python-flask, python-h11, python-h2, python-hpack, python-hyperframe, python-itsdangerous, python-more-itertools, python-priority, python-pyaml, python-quart, python-tappy, python-werkzeug, python-wsproto, sassc, snowball, talloc, xmltoman, and xorg-xprop.
- Added TOML configuration files for each package specifying build types, dependencies, and source URLs.
- Implemented custom build scripts for packages requiring specific build commands and configurations.
- Included patches for snowball to make libstemmer a shared library.

extra/libmd/libmd.toml

@@ -0,0 +1,22 @@
+[build]
+type = "autotools"
+
+[dependencies]
+runtime = ["glibc"]
+
+[package]
+description = "Message Digest functions from BSD systems"
+homepage = "https://www.hadrons.org/software/libmd/"
+license = [
+    "BSD-3-Clause",
+    "BSD-2-Clause",
+    "ISC",
+    "Beerware",
+]
+name = "libmd"
+version = "1.1.0"
+
+[[source]]
+extract_dir = "$name-$version"
+sha256 = "1bd6aa42275313af3141c7cf2e5b964e8b1fd488025caf2f971f43b00776b332"
+url = "https://libbsd.freedesktop.org/releases/$name-$version.tar.xz"