Add prettier config and format files (#319)

Reviewed-on: https://codeberg.org/Codeberg/pages-server/pulls/319
Reviewed-by: crapStone <codeberg@crapstone.dev>
Co-authored-by: pat-s <patrick.schratz@gmail.com>
Co-committed-by: pat-s <patrick.schratz@gmail.com>

.woodpecker/lint.yml

@@ -24,3 +24,9 @@ steps:
       - event: pull_request
       - event: push
         branch: renovate/*
+
+  prettier:
+    image: docker.io/woodpeckerci/plugin-prettier:0.1.0
+    depends_on: []
+    settings:
+      version: 3.2.5