Hints for fbzx in contrib

Hints

• asv-description-first-para-too-short
  <code>fbzx.appdata.xml:9</code> - <em>FBZX is a Sinclair ZX Spectrum emulator. Its main features are:</em><br/>The first `description/p` paragraph of this component might be too short (&lt; 80 characters). Please consider starting with a longer paragraph to improve how the description looks like in software centers and to provide more detailed information on this component immediately in the first paragraph.
• asv-content-rating-missing
  <code>fbzx.appdata.xml</code> - <em></em><br/>This component has no `content_rating` tag to provide age rating information. You can generate the tag data online by answering a few questions at https://hughsie.github.io/oars/
• asv-developer-info-missing
  <code>fbzx.appdata.xml</code> - <em></em><br/>This component contains no `developer` element with information about its author.