docs: leg uit hoe deploy-goedkeuring werkt in Gitea Actions

Gitea Actions kent geen GitLab/Azure DevOps-achtige manual approval
gate; workflow_dispatch is het dichtstbijzijnde equivalent.

Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>

.gitea/workflows/deploy.yml

@@ -7,6 +7,10 @@ name: Build, Test and Package Release
 #   (no automatic upload to a host yet) and only runs for manual (workflow_dispatch) runs.
 #   Typically run on a `release/*` branch once you've manually created it for a release.
 # - Uploaded artifacts expire after 1 day (retention-days: 1).
+# - Gitea Actions has no GitLab/Azure DevOps-style approval gate (a single job with a
+#   "manual" play button inside an already-running pipeline). The closest equivalent is
+#   workflow_dispatch: the deploy job only runs when someone presses "Run workflow" in
+#   the Gitea Actions UI, i.e. a one-click manual approval.
 
 on:
   workflow_dispatch: {}