chore: Add eslint file specific to the backend package

packages/backend/.eslintrc.js

@@ -0,0 +1,25 @@
+module.exports = {
+  root: true,
+  parser: '@typescript-eslint/parser',
+  plugins: ['@typescript-eslint'],
+  extends: [
+    'eslint:recommended',
+    'plugin:@typescript-eslint/recommended',
+    'prettier',
+  ],
+  overrides: [
+    {
+      files: ['**/*.test.ts', '**/test/**/*.ts'],
+      rules: {
+        '@typescript-eslint/ban-ts-comment': ['off'],
+        '@typescript-eslint/no-explicit-any': ['off'],
+      },
+    },
+    {
+      files: ['**/*.ts'],
+      rules: {
+        '@typescript-eslint/no-explicit-any': ['off'],
+      },
+    },
+  ],
+};