revert: 78640d2 'refactor(nvim): remove nvim-lint'

dots/.config/nvim/lua/plugins/configs/nvim-lint.lua

@@ -0,0 +1,16 @@
+return {
+    {
+        "mfussenegger/nvim-lint",
+        event = { "BufReadPre", "BufNewFile" },
+        config = function()
+            require("lint").linters_by_ft = {
+                markdown = { "proselint" },
+            }
+            vim.api.nvim_create_autocmd({ "BufWritePost", "BufEnter" }, {
+                callback = function()
+                    require("lint").try_lint()
+                end,
+            })
+        end,
+    },
+}