Fix vulnerabilities; Add CI workflow

.github/workflows/main.yml

@@ -0,0 +1,41 @@
+name: CI
+
+# Controls when the action will run.
+on:
+  # Triggers the workflow on push or pull request events but only for the main branch
+  push:
+    branches: [master]
+  pull_request:
+
+  # Allows you to run this workflow manually from the Actions tab
+  workflow_dispatch:
+
+# A workflow run is made up of one or more jobs that can run sequentially or in parallel
+jobs:
+  audit-packages:
+    # The type of runner that the job will run on
+    runs-on: ubuntu-latest
+    # 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: Install NPM packages 📦
+        run: npm install
+      # Runs a single command using the runners shell
+      - name: Audit NPM packages ✔🕵️‍♀️
+        # only fails the audit if the results include a production vulnerability with a level of moderate or higher
+        run: npm audit --audit-level=moderate --production
+  build-test:
+    # The type of runner that the job will run on
+    runs-on: ubuntu-latest
+    # 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: Install NPM packages 📦
+        run: npm install
+      - name: Build 🛠
+        run: npm run compile
+      - name: Test 🧪
+        # We're not simply just using `npm test` because the 'integration' script is broken
+        run: npm run testonly && npm run posttest