Moved Firefox config to its own folder in modules

Added youtube shorts blocker extension to firefox

modules/firefox/firefox-home.nix

@@ -0,0 +1,17 @@
+{username, ...}: {
+  programs.firefox = {
+    enable = true;
+    profiles = {
+      "${username}" = {
+        extensions.force = true;
+      };
+    };
+  };
+
+  systemd.user.services."firefox-autostart" = {
+    serviceConfig = {
+      ExecStart = "";
+      ExecStop = "";
+    };
+  };
+}