Add workflow to lint react-app

.github/workflows/react-app-lint.yml

@@ -0,0 +1,32 @@
+name: React App Linting Check
+
+on:
+  pull_request:
+    types: [opened, synchronize]
+    branches: [main]
+    paths:
+      - 'react-app/**'
+      - '.github/workflows/react-app-lint.yml'
+  workflow_dispatch:
+
+jobs:
+  lint-api:
+    name: Lint React App
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout Repo
+        uses: actions/checkout@v3
+        with:
+          fetch-depth: 0
+      # Could optimize this by only installing necessary dependencies
+      - name: Install Dependencies
+        working-directory: ./react-app
+        run: npm i --only=dev
+
+      - name: Run ESLint
+        working-directory: ./react-app
+        run: npm run lint
+
+      - name: Run Prettier
+        working-directory: ./react-app
+        run: npm run check

react-app/.eslintrc.cjs

@@ -42,6 +42,7 @@ module.exports = {
     '@typescript-eslint/no-empty-function': 'off', // ie. {}
     '@typescript-eslint/no-non-null-assertion': 'off', // Allow use of non-null assertion operator (!).
     '@typescript-eslint/no-explicit-any': 'off', // Warn if 'any' type is used.
+    '@typescript-eslint/no-duplicate-enum-values': 'error',
     '@typescript-eslint/ban-types': [
       'error',
       {