Updates vulnerable package (#9)

* updates `acorn` from `7.1.0` to `7.1.1`

* adds GitHub Action for Deployments

Author: ksatirli

.github/workflows/deployment.yml

@@ -0,0 +1,32 @@
+---
+
+name: Deployment
+
+on:
+  release:
+    types: [published]
+
+env:
+  NODE_VERSION: 12
+
+jobs:
+  publish-to-gpr:
+    runs-on: ubuntu-latest
+    name: publish-to-gpr
+
+    steps:
+      - name: Checkout Repository
+        uses: actions/checkout@v2
+        with:
+          fetch-depth: 1
+
+      - name: Setup Node
+        uses: actions/setup-node@v1
+        with:
+          node-version: ${{ env.NODE_VERSION }}
+          registry-url: 'https://npm.pkg.github.com'
+
+      - name: Publish to GitHub Package Registry
+        run: npm publish
+        env:
+          NODE_AUTH_TOKEN: ${{ secrets.GITHUB_TOKEN }}

package-lock.json

@@ -8,7 +8,6 @@
   },
   "scripts": {
     "test": "script/test",
-    "postinstall": "script/setup",
     "start": "node index.js"
   },
   "repository": {