restructure runners

Author: builderdev212

.github/workflows/main.yml .github/workflows/black.yml.github/workflows/main.yml renamed to .github/workflows/black.yml

@@ -0,0 +1,14 @@
+name: pytest-cocotb
+on:
+  push:
+    branches: [ main ]
+jobs:
+  container-test-job:
+    runs-on: debian:12-slim
+    container: 
+      image: ghcr.io/builderdev212/cocotb-runner
+      volumes:
+        - ${PWD}:/usr/src/verilogbits
+    steps:
+      - name: Run testbenches
+        run: cd verilogbits && pytest -n 10