Add basic GH Actions for build on PR (#4)

Author: enrico-kaack-comp

.github/workflows/build.yaml

@@ -0,0 +1,23 @@
+name: Build
+
+on:
+  workflow_call:
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
+
+      - name: Set up Node.js
+        uses: actions/setup-node@cdca7365b2dadb8aad0a33bc7601856ffabcc48e # v4.3.0
+        with:
+          node-version: 22
+
+      - name: Install dependencies
+        run: npm ci
+
+      - name: Build
+        run: npm run build

.github/workflows/build.yml

@@ -0,0 +1,11 @@
+name: On Pull Request
+
+on:
+  pull_request:
+    types:
+      - opened
+      - synchronize
+
+jobs:
+  build:
+    uses: ./.github/workflows/build.yaml