node: fix eslint, typescript, dev dependencies

node-health/eslint.config.mts

@@ -0,0 +1,14 @@
+import js from '@eslint/js';
+import globals from 'globals';
+import tseslint from 'typescript-eslint';
+import { defineConfig } from 'eslint/config';
+
+export default defineConfig([
+	{
+		files: ['**/*.{js,mjs,cjs,ts,mts,cts}'],
+		plugins: { js },
+		extends: ['js/recommended'],
+		languageOptions: { globals: globals.browser },
+	},
+	tseslint.configs.recommended,
+]);