change api to the gateway - add some pkgs - and add eslint

eslint.config.mjs

@@ -0,0 +1,31 @@
+import globals from 'globals';
+import pluginJs from '@eslint/js';
+import pluginReact from 'eslint-plugin-react';
+
+export default [
+  {
+    files: ['**/*.{js,mjs,cjs,jsx}'],
+    rules: {
+      semi: 0,
+      'no-unused-vars': 1,
+      'comma-dangle': [1, {
+        arrays: 'only-multiline',
+        objects: 'only-multiline',
+        imports: 'only-multiline',
+        exports: 'only-multiline',
+        functions: 'only-multiline',
+      }],
+      yoda: ['error', 'always'],
+      'operator-linebreak': ['error', 'before'],
+      indent: ['error', 2, { SwitchCase: 1 }],
+      'space-before-function-paren': ['error', {
+        anonymous: 'never',
+        named: 'never',
+        asyncArrow: 'always',
+      }],
+    },
+  },
+  { languageOptions: { globals: globals.browser } },
+  pluginJs.configs.recommended,
+  pluginReact.configs.flat.recommended,
+];