TWNTY-3825 - ESLint rule: const naming (#4171)

* ESLint rule: const naming

Co-authored-by: v1b3m <vibenjamin6@gmail.com>
Co-authored-by: KlingerMatheus <klinger.matheus@gitstart.dev>

* Refactor according to review

Co-authored-by: v1b3m <vibenjamin6@gmail.com>
Co-authored-by: KlingerMatheus <klinger.matheus@gitstart.dev>

* refactor: Reverts changes on `twenty-server`

Co-authored-by: KlingerMatheus <klinger.matheus@gitstart.dev>
Co-authored-by: v1b3m <vibenjamin6@gmail.com>

---------

Co-authored-by: gitstart-twenty <gitstart-twenty@users.noreply.github.com>
Co-authored-by: v1b3m <vibenjamin6@gmail.com>
Co-authored-by: KlingerMatheus <klinger.matheus@gitstart.dev>

.eslintrc.js

@@ -1,7 +1,13 @@
 module.exports = {
   root: true,
   extends: ['plugin:prettier/recommended'],
-  plugins: ['@nx', 'prefer-arrow', 'simple-import-sort', 'unused-imports'],
+  plugins: [
+    '@nx',
+    'prefer-arrow',
+    'simple-import-sort',
+    'unused-imports',
+    'unicorn',
+  ],
   rules: {
     'func-style': ['error', 'declaration', { allowArrowFunctions: true }],
     'no-console': ['warn', { allow: ['group', 'groupCollapsed', 'groupEnd'] }],
@@ -95,5 +101,26 @@ module.exports = {
       },
       rules: {},
     },
+    {
+      files: ['**/constants/*.ts', '**/*.constants.ts'],
+      rules: {
+        '@typescript-eslint/naming-convention': [
+          'error',
+          {
+            selector: 'variable',
+            format: ['UPPER_CASE'],
+          },
+        ],
+        'unicorn/filename-case': [
+          'warn',
+          {
+            cases: {
+              pascalCase: true,
+            },
+          },
+        ],
+        '@nx/workspace-max-consts-per-file': ['error', { max: 1 }],
+      },
+    },
   ],
 };