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/gsettings-desktop-schemas/gsettings-desktop-schemas.toml

@@ -0,0 +1,34 @@
+[build]
+type = "custom"
+
+[dependencies]
+build = [
+    "adwaita-fonts",
+    "dconf",
+    "git",
+    "glib2",
+    "gobject-introspection",
+    "meson",
+]
+runtime = [ "adwaita-fonts", "dconf", "gsettings-system-schemas" ]
+
+[package]
+description = "GSettings schemas for GNOME desktop components"
+homepage = "https://gitlab.gnome.org/GNOME/gsettings-desktop-schemas"
+license = "LGPL-2.1-or-later"
+name = "gsettings-desktop-schemas"
+version = "50.0"
+
+[package_dependencies.gsettings-system-schemas]
+runtime = ["dconf"]
+
+[[packages]]
+description = "GSettings schemas for GNOME system components"
+homepage = "https://gitlab.gnome.org/GNOME/gsettings-desktop-schemas"
+license = "LGPL-2.1-or-later"
+name = "gsettings-system-schemas"
+version = "50.0"
+
+[[source]]
+extract_dir = "gsettings-desktop-schemas"
+url = "https://gitlab.gnome.org/GNOME/gsettings-desktop-schemas.git#$version"