Add testing workflow

.github/workflows/rules.yml

@@ -0,0 +1,21 @@
+# A single CI script with github workflow
+name: Tests
+
+on:
+  push:
+  pull_request:
+    types: [labeled]
+
+jobs:
+  build:
+    if: contains(github.event.pull_request.labels.*.name, 'run-workflow') || github.event_name == 'push'
+    strategy:
+      matrix:
+        os: [ubuntu-latest, macos-latest, windows-latest]
+        python-version: [3.7, 3.8, 3.9, "3.10"]
+    uses: qiboteam/workflows/.github/workflows/rules.yml@main
+    with:
+      os: ${{ matrix.os }}
+      python-version: ${{ matrix.python-version }}
+      environment: "qibotn"
+    secrets: inherit