Centralize ESLint into a single root config

Replace the duplicated per-workspace eslint.config.mjs files in
apps/console, apps/trust, packages/ui, and packages/eslint-config with
one root eslint.config.mjs that reuses the shared @probo/eslint-config
rule sets and scopes them per directory. Linting now runs from the repo
root, so pin the type-checked project service root and broaden the
import-x resolver to every workspace tsconfig (the #/* aliases live in
each app's tsconfig.app.json).

Drop the now-redundant per-package lint scripts and lint-only devDeps,
and add a root lint script that runs eslint over the four dirs with
multithreading restored via --concurrency auto, then lints n8n-node
through a direct workspace call. packages/n8n-node keeps its own
external preset.

Collapse the redundant lint-js -> npm-lint Makefile chain into a single
lint-js target and update the make docs accordingly.

Signed-off-by: Émile Ré <emile@probo.com>

packages/ui/package.json

@@ -6,7 +6,6 @@
   "sideEffects": false,
   "main": "src/index.ts",
   "scripts": {
-    "lint": "eslint . --concurrency 2",
     "dev": "storybook dev -p 6006 --no-open",
     "check": "tsc --noEmit -p tsconfig.app.json",
     "icons": "bun run src/Atoms/Icons/generator.ts"
@@ -48,7 +47,6 @@
   },
   "devDependencies": {
     "@chromatic-com/storybook": "^5.0.1",
-    "@probo/eslint-config": "1.0.0",
     "@rollup/pluginutils": "^5.1.4",
     "@storybook/addon-vitest": "^10.2.8",
     "@storybook/react": "^10.2.8",
@@ -60,7 +58,6 @@
     "@vitejs/plugin-react": "^6.0.2",
     "@vitest/browser": "4.1.8",
     "@vitest/coverage-v8": "4.1.8",
-    "eslint": "^10.5.0",
     "playwright": "^1.55.1",
     "react": "^19.2.7",
     "react-docgen": "^7.1.1",