feat(browsers): add firefox

- add nur
- set firefox as main browser
- move browsers into separate modules

home/browsers/brave.nix

@@ -0,0 +1,21 @@
+{ config, pkgs, ... }:
+
+let
+  brave-wrapped = with pkgs; pkgs.runCommand "brave" {
+    buildInputs = [ pkgs.makeWrapper ];
+  } ''
+    mkdir $out
+    ln -s ${brave}/* $out
+    rm $out/bin
+    mkdir $out/bin
+    ln -s ${brave}/bin/* $out/bin
+    rm $out/bin/brave
+    makeWrapper ${brave}/bin/brave $out/bin/brave \
+      --add-flags "--ignore-gpu-blacklist"
+  '';
+in
+{
+  home.packages = with pkgs; [
+    brave-wrapped
+  ];
+}