Created Validation workflow

.github/workflows/validation.yml

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+# This is a basic workflow to help you get started with Actions
+
+name: Validation
+
+# Controls when the action will run. Triggers the workflow on push or pull request
+# events but only for the master branch
+on:
+  pull_request:
+    branches: [ master ]
+
+# A workflow run is made up of one or more jobs that can run sequentially or in parallel
+jobs:
+  # This workflow contains a single job called "build"
+  build:
+    # The type of runner that the job will run on
+    runs-on: windows-latest
+
+    strategy:
+      matrix:
+        node-version: [14.x]
+
+    # Steps represent a sequence of tasks that will be executed as part of the job
+    steps:
+    # Checks-out your repository under $GITHUB_WORKSPACE, so your job can access it
+    - uses: actions/checkout@v2
+
+    - name: Use Node.js ${{ matrix.node-version }}
+      uses: actions/setup-node@v1
+      with:
+        node-version: ${{ matrix.node-version }}
+
+    - name: Cache Node.js modules
+      uses: actions/cache@v1
+      with:
+        path: "%AppData%\npm-cache" # npm cache files are stored under the AppData folder on Windows
+        key: ${{ runner.OS }}-node-${{ hashFiles('**/package-lock.json') }}
+        restore-keys: |
+          ${{ runner.OS }}-node-
+          ${{ runner.OS }}-    
+
+    - name: npm install, build, and test
+      run: |
+        npm install
+        npm run build-nofix
+        npm test
+      env:
+        CI: true