Add structured metadata (JSON-LD) support

[alanorth]

Nice simple theme. You should consider adding structured JSON-LD metadata to make it easier for search bots to parse post content.

• See the source code of one of my blog posts
• See the structured metadata for this post in Google's testing tool
• See the source code in my theme for how to implement this

[mobybit]

Thanks for your advise! I will takes a litte time to implement this.