CI: automated docs build

.github/workflows/auto-build.yml

@@ -2,7 +2,11 @@ name: Automated builds
 
 on:
   push:
-  pull_request: # They will only build the containers, not push them
+    paths:
+      - "images/**"
+  pull_request: # They will only build the containers, not push them to our registry
+    paths:
+      - "images/**"
     types:
       - opened
       - reopened

.github/workflows/build-docs.yml

@@ -0,0 +1,24 @@
+name: Build docs
+on:
+  push:
+    paths:
+      - "docs/**"
+  pull_request:
+    paths:
+      - "docs/**"
+
+jobs:
+  build-docs:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Fire event
+        # see docs here: https://docs.github.com/en/rest/actions/workflows?apiVersion=2022-11-28#create-a-workflow-dispatch-event
+        run: |
+          curl -L \
+            --fail-with-body \
+            -X POST \
+            -H "Accept: application/vnd.github+json" \
+            -H "Authorization: Bearer ${{ secrets.GHCR_TOKEN }}" \
+            -H "X-GitHub-Api-Version: 2022-11-28" \
+            https://api.github.com/repos/games-on-whales/games-on-whales.github.io/dispatches \
+            -d '{"event_type":"trigger-publish"}'