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/libsass/libsass.toml

@@ -0,0 +1,24 @@
+[build]
+type = "autotools"
+
+[build.flags]
+env_vars = [ "LIBSASS_VERSION=$version" ]
+
+[dependencies]
+runtime = [
+    "glibc",
+    "libcxx",
+    "libunwind",
+]
+
+[package]
+description = "C implementation of Sass CSS preprocessor (library)"
+homepage = "https://sass-lang.com/libsass/"
+license = "MIT"
+name = "libsass"
+version = "3.6.6"
+
+[[source]]
+extract_dir = "$name-$version"
+url = "https://github.com/sass/libsass.git#$version"
+post_extract = [ "autoreconf -fiv" ]