Add tests and github action build

Author: derTobsch

.editorconfig

@@ -10,4 +10,7 @@ indent_style = space
 indent_size = 4
 charset = utf-8
 trim_trailing_whitespace = true
-insert_final_newline = true
+insert_final_newline = true
+
+[{*.yml,*.yaml}]
+indent_size = 2

.github/workflows/build.yml

@@ -0,0 +1,21 @@
+name: build
+
+on:
+  push:
+    branches:
+      - main
+  pull_request:
+  workflow_dispatch:
+
+jobs:
+  test:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v3
+      - name: setup node 20
+        uses: actions/setup-node@v3
+        with:
+          node-version: "20"
+          cache: 'npm'
+      - run: npm ci
+      - run: npm test