Config chagnes

modules/home/cli/common/helix.nix

@@ -3,6 +3,9 @@
 {
   home.packages = with pkgs; [
     unstable.marksman
+    unstable.svls
+    unstable.nil
+    unstable.nixpkgs-fmt
   ];
 
   programs.helix = {
@@ -16,11 +19,28 @@
       };
     };
     languages = {
+      # Rust
       language-server.rust-analyzer.config = {
         cargo = {
           features = "all";
         };
       };
+
+      # Systemverilog
+      language-server.svls = {
+        command = "svls";
+      };
+
+      language = [
+        {
+          name = "verilog";
+          language-servers = [ "svls" ];
+        }
+        {
+          name = "nix";
+          language-servers = [ "svls" ];
+        }
+      ];
     };
     themes = {
       base16 = let