✨ [shared] Replace Neovim with Helix

Moved Helix editor to shared.
Removed Nixvim flake and it's config

shared/home-manager/development/default.nix

@@ -1,7 +1,7 @@
 {
   imports = [
     ./git.nix
-    ./nixvim
+    ./helix.nix
     ./zed.nix
   ];
   # TODO set Wayland vmOptions in Jetbrains products, Requires current installed version in path

shared/home-manager/development/helix.nix

@@ -0,0 +1,33 @@
+{ pkgs, theme, ... }:
+
+{
+  catppuccin.helix = {
+    enable = true;
+    flavor = theme.flavor;
+  };
+
+  programs = {
+    fish.shellAliases.edit = "hx";
+    helix = {
+      enable = true;
+      defaultEditor = true;
+      settings = {
+        editor = {
+          cursor-shape = {
+            normal = "block";
+            insert = "bar";
+            select = "underline";
+          };
+          lsp.display-messages = true;
+        };
+      };
+      languages.language = [
+        {
+          name = "nix";
+          auto-format = true;
+          formatter.command = "${pkgs.nixfmt-rfc-style}/bin/nixfmt";
+        }
+      ];
+    };
+  };
+}

shared/home-manager/development/nixvim/default.nix

@@ -1,77 +0,0 @@
-# Neovim configuration for Nix
-{ inputs, ... }:
-
-{
-  imports = [
-    inputs.nixvim.homeManagerModules.nixvim
-  ];
-
-  catppuccin.nvim.enable = true;
-
-  home.sessionVariables.EDITOR = "nvim";
-
-  programs.nixvim = {
-    enable = true;
-    clipboard.providers.wl-copy.enable = true;
-    colorschemes.catppuccin.enable = true;
-    defaultEditor = true;
-    vimdiffAlias = true; # Alias vimdiff to nvim -d
-
-    opts = {
-      number = true; # Show line numbers
-      relativenumber = true; # Show relative line numbers
-
-      shiftwidth = 2; # Tab width should be 2
-    };
-
-    plugins = {
-      bufferline.enable = false;
-
-      # Formatters
-      conform-nvim = {
-        enable = true;
-        # TODO use nix fmt on save
-        settings = { };
-      };
-
-      lsp = {
-        enable = true;
-        servers = {
-          nixd.enable = true;
-        };
-      };
-
-      lualine.enable = true;
-      luasnip.enable = true;
-
-      # Completions
-      cmp = {
-        enable = true;
-
-        autoEnableSources = true;
-
-        # TODO complete on <tab>
-        settings = {
-          sources = [
-            { name = "nvim-lsp"; }
-            { name = "path"; }
-            { name = "buffer"; }
-          ];
-        };
-      };
-
-      treesitter.enable = true;
-      web-devicons.enable = true;
-    };
-
-    extraConfigLua = ''
-      -- Translucent background
-      vim.cmd [[
-        highlight Normal guibg=none
-        highlight NonText guibg=none
-        highlight Normal ctermbg=none
-        highlight NonText ctermbg=none
-      ]]
-    '';
-  };
-}