fix(ci): setup semantic releases (#11)

Author: mkrl

.github/workflows/deploy-website.yml

@@ -1,5 +1,5 @@
 name: Build and Deploy Website
-on: [workflow_dispatch]
+on: [workflow_dispatch, release]
 
 jobs:
   build-and-deploy:
@@ -10,7 +10,7 @@ jobs:
 
       - name: Build
         run: |
-          npm install
+          npm ci
           npm run build:site
 
       - name: Deploy

.github/workflows/publish.yml

@@ -0,0 +1,22 @@
+name: Release NPM package
+
+on:
+  push:
+    branches:
+      - master
+
+jobs:
+  release:
+    name: Release
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@master
+      - uses: actions/setup-node@v1
+        with:
+          node-version: 14
+      - run: npm ci
+      - run: npm run build
+      - run: npx semantic-release
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+          NPM_TOKEN: ${{ secrets.NPM_TOKEN }}