[nix] Allow unfree for shells. [docker] Correctly export DOCKER_HOST. [nvim] Disable augment and turn on vtsls

home-manager/features/neovim/config/lua/plugins/lsp.lua

@@ -5,6 +5,10 @@ return {
       servers = {
         lua_ls = {},
         nil_ls = {},
+        vtsls = {},
+      },
+      codelens = {
+        enable = true,
       },
     },
   },