adding github actions

.github/workflows/main.yml

@@ -0,0 +1,26 @@
+name: Main
+
+on: push
+
+jobs:
+  main:
+    runs-on: ${{ matrix.os }}
+    strategy:
+      matrix:
+        os: [macos-latest, ubuntu-latest, windows-latest]
+      fail-fast: false
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v2
+      - name: Setup NodeJS
+        uses: actions/setup-node@v2
+        with:
+          node-version: '20.x'
+      - name: Setup dotnet
+        uses: actions/setup-dotnet@v1
+        with:
+          dotnet-version: '7.0.x' # SDK Version to use; x will use the latest version of the 7.0 channel
+      - name: Install dependencies
+        run: npm i
+      - name: Run tests
+        run: npm test