Add CI workflow for nightly docker network tests

Author: muXxer

Diff for: .github/workflows/build_docker.yml

@@ -0,0 +1,28 @@
+name: Docker Network Tests
+
+on:
+  push:
+#  schedule:
+#    - cron: '0 1 * * *' # Runs every day at 1 AM
+
+jobs:
+  test:
+    runs-on: self-hosted
+
+    steps:
+    - name: Check out code
+      uses: actions/checkout@v4
+
+    - name: Set up Docker
+      uses: docker/setup-buildx-action@v3
+
+    - name: Set up Go
+      uses: actions/setup-go@v5
+      with:
+        go-version-file: 'go.mod'
+        cache: false
+
+    - name: Run all tests
+      run: |
+        cd tools/docker-network/tests &&
+        ./run_tests.sh