Skip fdroid for now

Author: menny

.github/workflows/html-proofer.yml

@@ -27,4 +27,6 @@ jobs:
         run: bundle exec jekyll build
 
       - name: Run HTMLProofer
-        run: bundle exec htmlproofer ./_site --allow-hash-href
+        run: bundle exec htmlproofer ./_site \
+            --allow-hash-href \
+            --ignore-urls "/f-droid.org/"