clean up nixvim config

nixvim/nixvim.nix

@@ -0,0 +1,59 @@
+{
+  config,
+  lib,
+  pkgs,
+  ...
+}:
+{
+  imports = [
+    ./plugins.nix
+    ./keymaps.nix
+  ];
+  programs.nixvim = {
+    enable = true;
+    extraConfigLuaPost = ''
+      local map = vim.keymap.set
+      for i = 1, 10 do
+              map('n', '<A-' .. i .. '>', '<cmd> LualineBuffersJump! ' .. i .. '<cr>')
+      end
+    '';
+    opts = {
+      relativenumber = true;
+      tabstop = 8;
+      shiftwidth = 8;
+      expandtab = true;
+      swapfile = false;
+    };
+    extraPackages = with pkgs; [
+      nixfmt
+    ];
+    lsp = {
+      inlayHints.enable = true;
+      servers = {
+        clangd.enable = true;
+        qmlls.enable = true;
+        lua-language-server.enable = true;
+        rust_analyzer.enable = true;
+        nixd = {
+          enable = true;
+          config = {
+            formatting = {
+              command = "nixfmt";
+            };
+          };
+        };
+      };
+    };
+    globals = {
+      mapleader = " ";
+    };
+    diagnostic = {
+      settings = {
+        virtual_text = {
+          spacing = 4;
+          source = true;
+        };
+      };
+    };
+  };
+}