Add fx-autoconfig (#12472)

* add: fx-autoconfig

* Remove unnecessary comment

* Add arches line to hcl so it only builds once

anda/misc/fx-autoconfig/anda.hcl

@@ -0,0 +1,6 @@
+project pkg {
+	arches = ["x86_64"]
+	rpm {
+		spec = "fx-autoconfig.spec"
+	}
+}

anda/misc/fx-autoconfig/fx-autoconfig.spec

@@ -0,0 +1,39 @@
+%global commit d469a80f12e286c0e937d8b93c01dfc2d55dca8f
+%global commit_date 20260504
+%global shortcommit %(c=%{commit}; echo ${c:0:7})
+
+Name: fx-autoconfig
+Version: 0~%{commit_date}git.%{shortcommit}
+Release: 1%{?dist}
+Summary: Firefox userChrome.js manager
+Packager: Anna Simmons <anna@simmons.ovh>
+
+License: MPL-2.0
+URL: https://github.com/MrOtherGuy/fx-autoconfig
+Source0: https://github.com/MrOtherGuy/fx-autoconfig/archive/%commit.tar.gz
+Requires: firefox
+BuildArch: noarch
+
+%description
+%{summary}.
+
+%prep
+%autosetup -n fx-autoconfig-%commit
+
+%build
+
+%install
+mkdir -p %{buildroot}%{_libdir}/firefox
+
+install -Dm644 program/config.js %{buildroot}%{_libdir}/firefox/
+cp -pr program/defaults %{buildroot}%{_libdir}/firefox/defaults
+
+%files
+%license LICENSE
+%doc readme.md
+%{_libdir}/firefox/config.js
+%{_libdir}/firefox/defaults/
+
+%changelog
+* Thu May 21 2026 Anna Simmons <anna@simmons.ovh>
+- Initial package build

anda/misc/fx-autoconfig/update.rhai

@@ -0,0 +1,5 @@
+rpm.global("commit", gh_commit("MrOtherGuy/fx-autoconfig"));
+if rpm.changed() {
+  rpm.release();
+  rpm.global("commit_date", date());
+}