fix(eslint): setup eslint to run on every package - N8N-4553 (#4050)

* fix(eslint): setup eslint to run on every package

Also, unify eslint config and dependencies into a private package in the workspace.

packages/node-dev/.eslintrc.js

@@ -0,0 +1,12 @@
+/**
+ * @type {import('@types/eslint').ESLint.ConfigData}
+ */
+module.exports = {
+	extends: ['@n8n_io/eslint-config/base'],
+	ignorePatterns: [
+		'templates/**', // TODO: remove this
+	],
+	rules: {
+		'import/order': 'off', // TODO: remove this
+	},
+};

packages/node-dev/package.json

@@ -23,8 +23,8 @@
     "build": "",
     "build-node-dev": "tsc",
     "format": "cd ../.. && node_modules/prettier/bin-prettier.js packages/node-dev/**/**.ts --write",
-    "lint": "cd ../.. && node_modules/eslint/bin/eslint.js packages/node-dev",
-    "lintfix": "cd ../.. && node_modules/eslint/bin/eslint.js packages/node-dev --fix",
+    "lint": "eslint .",
+    "lintfix": "eslint . --fix",
     "postpack": "rm -f oclif.manifest.json",
     "prepack": "echo \"Building project...\" && rm -rf dist && tsc -b && oclif-dev manifest",
     "watch": "tsc --watch"
@@ -46,6 +46,7 @@
     "src/tsconfig-build.json"
   ],
   "devDependencies": {
+    "@n8n_io/eslint-config": "",
     "@oclif/dev-cli": "^1.22.2",
     "@types/copyfiles": "^2.1.1",
     "@types/express": "^4.17.6",