Create develop-ci.yml (#121)

Adding a Github Actions Workflow to build and test the project for merge requests to the develop branch.

.github/workflows/develop-ci.yml

@@ -0,0 +1,45 @@
+name: Develop Branch CI
+
+on:
+  pull_request:
+    branches: ['develop']
+
+jobs:
+  build-and-test:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+
+      - name: Detect package manager
+        id: detect-package-manager
+        run: |
+          if [ -f "${{ github.workspace }}/package.json" ]; then
+            echo "manager=npm" >> $GITHUB_OUTPUT
+            echo "command=ci" >> $GITHUB_OUTPUT
+            echo "runner=npx --no-install" >> $GITHUB_OUTPUT
+            exit 0
+          elif [ -f "${{ github.workspace }}/yarn.lock" ]; then
+            echo "manager=yarn" >> $GITHUB_OUTPUT
+            echo "command=install" >> $GITHUB_OUTPUT
+            echo "runner=yarn" >> $GITHUB_OUTPUT
+            exit 0
+          else
+            echo "Unable to determine package manager"
+            exit 1
+          fi
+
+      - name: Setup Node
+        uses: actions/setup-node@v4
+        with:
+          node-version: '20.9.0'
+          cache: ${{ steps.detect-package-manager.outputs.manager }}
+
+      - name: Install dependencies
+        run: ${{ steps.detect-package-manager.outputs.manager }} ${{ steps.detect-package-manager.outputs.command }}
+
+      - name: Build project
+        run: ${{ steps.detect-package-manager.outputs.runner }} next build
+
+      - name: Run tests
+        run: ${{ steps.detect-package-manager.outputs.manager }} run test