automated using bump-everywhere + more quality checks (#8)

- new workflows
- linting commands & linted stuff
- security checks & fixed audited vulnerabilities
- updated documentation

.github/workflows/test.yaml

@@ -0,0 +1,25 @@
+name: Test
+
+on:
+  pull_request:
+    branches:
+      - master
+
+jobs:
+  run-tests:
+    runs-on: ubuntu-latest
+    steps:
+      -
+        name: Checkout
+        uses: actions/checkout@v2
+      -
+        name: Setup node
+        uses: actions/setup-node@v1
+        with:
+          node-version: '14.x'
+      -
+        name: Install dependencies
+        run: npm ci
+      -
+        name: Run tests
+        run: npm run test:unit