Added screenshot, fixed eslintrc.js

samples/react-group-membership-manager/.eslintrc.js

@@ -2,6 +2,12 @@ require('@rushstack/eslint-config/patch/modern-module-resolution');
 module.exports = {
   extends: ['@microsoft/eslint-config-spfx/lib/profiles/react'],
   parserOptions: { tsconfigRootDir: __dirname },
+  env: {
+    "browser": true,
+    "es2018": true,
+    "node": true,
+    "amd": true
+  },
   overrides: [
     {
       files: ['*.ts', '*.tsx'],

samples/react-group-membership-manager/README.md

@@ -4,7 +4,7 @@
 
 This app is an example of managing the membership of a group you own including the owners of the group as well as using FluentUI v9
 
-![Screenshot](assets/screenshot.png "Screenshot")
+![Screenshot](assets/group-membership-manager.gif "Screenshot")
 
 ## Compatibility
 

samples/react-group-membership-manager/tsconfig.json

@@ -1,10 +1,10 @@
 {
   "extends": "./node_modules/@microsoft/rush-stack-compiler-4.5/includes/tsconfig-web.json",
   "compilerOptions": {
-    "target": "es5",
+    "target": "ES2018",
     "forceConsistentCasingInFileNames": true,
     "module": "esnext",
-    "moduleResolution": "node",
+    "moduleResolution": "Node",
     "jsx": "react",
     "declaration": true,
     "sourceMap": true,
@@ -24,10 +24,9 @@
       "webpack-env"
     ],
     "lib": [
-      "es5",
+      "ES2018",
       "dom",
-      "es2015.collection",
-      "es2015.promise"
+      "es2018.promise"
     ]
   },
   "include": [