nvim: bootstrap minimal nix-first config

.config/nvim/lua/plugins/lint.lua

@@ -0,0 +1,23 @@
+return {
+  {
+    "mfussenegger/nvim-lint",
+    event = { "BufReadPre", "BufNewFile" },
+    config = function()
+      local lint = require("lint")
+
+      lint.linters_by_ft = {
+        sh = { "shellcheck" },
+        bash = { "shellcheck" },
+        zsh = { "shellcheck" },
+      }
+
+      local group = vim.api.nvim_create_augroup("user-lint", { clear = true })
+      vim.api.nvim_create_autocmd({ "BufEnter", "BufWritePost", "InsertLeave" }, {
+        group = group,
+        callback = function()
+          lint.try_lint()
+        end,
+      })
+    end,
+  },
+}