v1.25.0

What's new

• Help links added to the option page
• Add site to the "fetch from the browser" list (the option was removed from the right click context menu, but the site is automatically added to the list if wallabag couldn't get the content) (fix #608)
• Fix issue with missing required translation that made the installation on Chrome to fail (fix #627)

Chores

• Add a builder for Firefox/Chromium manifest version (npm run manifest:build firefox|chrome)