Switch to GH actions (#6)

* ci: move ci to Github Actions
* chore: add package-lock-sanitizer
* chore: upgrade node-sass
* chore: add /css to gitignore

closes #5

.github/workflows/ci-build-release.yml

@@ -0,0 +1,36 @@
+name: CI
+on:
+  push:
+  pull_request:
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+
+      - name: Get branch name
+        shell: bash
+        run: echo "##[set-output name=branch;]$(echo ${GITHUB_REF##*/})"
+        id: branch
+
+      - name: Install dependencies
+        run: npm ci
+
+      - name: Build library
+        run: npm run build
+
+      - name: Run semantic release and publish new version to npm
+        env:
+          GH_TOKEN: ${{ secrets.GH_TOKEN }}
+          NPM_TOKEN: ${{ secrets.NPM_TOKEN }}
+        run: npm run semantic-release
+
+      - name: Deploy documentation to GitHub Pages
+        if: github.ref == 'ref/head/master'
+        uses: JamesIves/[email protected]
+        with:
+          ACCESS_TOKEN: ${{ secrets.GH_TOKEN }}
+          BRANCH: gh-pages # The branch the action should deploy to.
+          FOLDER: . # The folder the action should deploy.
+          #TARGET_FOLDER: ${{ steps.branch.outputs.branch }} # The folder the action should deploy to.

.gitignore

@@ -4,6 +4,7 @@
 /dist
 /tmp
 /out-tsc
+/css
 
 # dependencies
 /node_modules