Add lualine configuration for neovim

hosts/totsugeki/development/nixvim/default.nix

@@ -2,6 +2,7 @@
   imports = [
     ./completion.nix
     ./lsp.nix
+    ./lualine.nix
     ./neo-tree.nix
     ./none-ls.nix
     ./treesitter.nix

hosts/totsugeki/development/nixvim/lualine.nix

@@ -1 +1,14 @@
-{ ... }: { programs.nixvim.plugins.lualine = { enable = true; }; }
+{ ... }: {
+  programs.nixvim.plugins.lualine = {
+    enable = true;
+    componentSeparators = {
+      left = "";
+      right = "";
+    };
+    sectionSeparators = {
+      left = "";
+      right = "";
+    };
+    disabledFiletypes.statusline = [ "neo-tree" ];
+  };
+}