development settings, and renaming neovim to nixvim

home/modules/devtools/nixvim/plugins/efm.nix

@@ -0,0 +1,35 @@
+{
+  lib,
+  config,
+  ...
+}: let
+  inherit (lib) mkEnableOption mkIf;
+  cfg = config.modules.devtools.nixvim.plugins.efm;
+in {
+  options = {
+    modules.devtools.nixvim.plugins.efm.enable = mkEnableOption "Enables EFM LSP support for nixvim";
+  };
+
+  config = mkIf cfg.enable {
+    programs.nixvim.plugins = {
+      lsp.servers.efm = {
+        enable = true;
+        extraOptions.init_options = {
+          documentFormatting = true;
+          documentRangeFormatting = true;
+          hover = true;
+          documentSymbol = true;
+          codeAction = true;
+          completion = true;
+        };
+      };
+
+      lsp-format = {
+        enable = true;
+        lspServersToEnable = ["efm"];
+      };
+
+      efmls-configs.enable = true;
+    };
+  };
+}