nixos: init vanadium by cloning carbon

nix/homeModules/named/vanadium/firefox.nix

@@ -0,0 +1,44 @@
+{ pkgs, ... }:
+
+let
+  inherit (pkgs) nur;
+in
+
+{
+
+  programs.firefox = {
+
+    enable = true;
+
+    policies.SearchEngines = {
+      Default = "searxng";
+      Add = [
+        {
+          Name = "searxng";
+          URLTemplate = "https://searxng.earth2077.fr/search?q={searchTerms}";
+        }
+      ];
+    };
+
+    profiles.leana = {
+      settings = {
+        "toolkit.legacyUserProfileCustomizations.stylesheets" = true;
+        "layout.css.devPixelsPerPx" = 1.2;
+        "browser.tabs.loadInBackground" = true;
+        "browser.ctrlTab.sortByRecentlyUsed" = false;
+      };
+
+      extensions =
+        let
+          addons = nur.repos.rycee.firefox-addons;
+        in
+        [
+          addons.sponsorblock
+          # flaky, find a better source to be fetched
+          # addons.bypass-paywalls-clean
+        ];
+
+    };
+  };
+
+}