Added license check (#1)

* Added license check

* fix

* change license

* we use GPL

.github/dependabot.yml

@@ -0,0 +1,11 @@
+version: 2
+updates:
+  - package-ecosystem: "pip"
+    directory: "/"
+    schedule:
+      interval: "daily"
+
+  - package-ecosystem: "github-actions"
+    directory: "/"
+    schedule:
+      interval: "daily"

.github/workflows/license_python.yml

@@ -0,0 +1,33 @@
+name: License Python
+
+on:
+  push:
+    branches:
+      - main
+      - master
+  pull_request:
+
+jobs:
+  license-check:
+    runs-on: ubuntu-latest
+    name: License Check
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v4
+
+      - name: Set up Python
+        uses: actions/setup-python@v5
+        with:
+          python-version: '3.x'
+
+      - name: Install licensecheck
+        run: pip install licensecheck
+
+      - name: Check licenses
+        run: >
+          licensecheck
+          --license GPL
+          --format markdown
+          --zero
+          >> $GITHUB_STEP_SUMMARY
+        shell: bash