add workflow

.forgejo/workflows/debug.yml

@@ -0,0 +1,20 @@
+on:
+  push:
+  workflow_dispatch:
+
+jobs:
+  debug:
+    runs-on: docker
+    container:
+      image: debian:bullseye
+      options: --network=host  # (Optional)
+
+    steps:
+      - name: Install tools
+        run: apt update && apt install -y iputils-ping curl git
+
+      - name: DNS + Git debug
+        run: |
+          ping -c 2 forgejo.ediv.xyz || true
+          curl -v https://forgejo.ediv.xyz || true
+          git ls-remote https://forgejo.ediv.xyz/alliances-transcoloniales/site || true