added some firefox preferences

modules/apps/visual/firefox.nix

@@ -27,8 +27,33 @@ in {
         DisableAccounts = true;
         DisableFirefoxScreenshots = true;
         DisplayBookmarksToolbar = "never";
+        DontCheckDefaultBrowser = true;
+        GenerativeAI = false;
         PasswordManagerEnabled = false;
 
+        SearchEngines = {
+          Default = "DuckDuckGo";
+          Add = [
+            {
+              Name = "DuckDuckGo";
+              URLTemplate = "https://duckduckgo.com/?q={searchTerms}";
+              Alias = "@ddg";
+            }
+            {
+              Name = "NixOS Packages";
+              URLTemplate = "https://search.nixos.org/packages?query={searchTerms}";
+              Alias = "@pack";
+              IconURL = "https://search.nixos.org/favicon-96x96.png";
+            }
+            {
+              Name = "NixOS Options";
+              URLTemplate = "https://search.nixos.org/options?query={searchTerms}";
+              Alias = "@opt";
+              IconURL = "https://search.nixos.org/favicon-96x96.png";
+            }
+          ];
+        };
+
         ExtensionSettings = {
           "*".installation_mode = "blocked";
           # uBlock Origin:
@@ -63,6 +88,38 @@ in {
           };
         };
 
+        Cookies = {
+          Behaviour = "reject-foreign"; # No third party cookies
+          BehaviourPrivateBrowsing = "reject";
+
+          Block = [
+            "https://google.com"
+            "https://maps.google.com"
+            "https://youtube.com"
+            "https://duckduckgo.com"
+          ];
+        };
+
+        WebsiteFilter.Block = ["https://chatgpt.com"];
+
+        FirefoxHome = {
+          "SponsoredTopSites" = false;
+          "SponsoredPocket" = false;
+          "SponsoredStories" = false;
+        };
+
+        FirefoxSuggest = {
+          SponsoredSuggestions = false;
+          ImproveSuggest = false;
+        };
+
+        EnableTrackingProtection = {
+          Locked = true;
+          Cryptomining = true;
+          Fingerprinting = true;
+          EmailTracking = true;
+        };
+
         Preferences = {
           general = {
             autoScroll = true;