Add integration test after builds

.github/workflows/integration.yaml

@@ -0,0 +1,26 @@
+name: Integration Test
+
+on:
+    workflow_run:
+        workflows: ["Build"]
+        types:
+            - completed
+
+jobs:
+    integration:
+        strategy:
+            matrix:
+                os: [ubuntu-latest, macos-latest, windows-latest]
+        runs-on: ${{ matrix.os }}
+
+        steps:
+            - name: Checkout repository
+              uses: actions/checkout@v2
+
+            - name: Run Integration
+              if: ${{ !contains(matrix.os, 'windows') }}
+              run: curl -sSL https://raw.githubusercontent.com/Xevion/spotify-player-quickauth/refs/heads/master/run.sh | sh
+            
+            - name: Run Integration (Windows)
+              if: ${{ contains(matrix.os, 'windows') }}
+              run: iex (irm "https://raw.githubusercontent.com/Xevion/spotify-player-quickauth/refs/heads/master/run.ps1")