POC: chore: use Nx workspace lint rules (#3163)

* chore: use Nx workspace lint rules

Closes #3162

* Fix lint

* Fix lint on BE

* Fix tests

---------

Co-authored-by: Charles Bochet <charles@twenty.com>

tools/eslint-rules/tsconfig.spec.json

@@ -0,0 +1,8 @@
+{
+  "extends": "./tsconfig.json",
+  "compilerOptions": {
+    "outDir": "../../dist/out-tsc",
+    "types": ["jest", "node"]
+  },
+  "include": ["jest.config.ts", "**/*.test.ts", "**/*.spec.ts", "**/*.d.ts"]
+}