Update single.php

[slaweallx]

Key Schema.org Tags Added:

Article Type (itemscope itemtype="http://schema.org/Article")
    Wraps the main content block, indicating that the content is an article.

Blog Post Structure (itemscope itemtype="http://schema.org/BlogPosting")
    Applied to the <article> element to specify it as a blog post.

Headline (itemprop="headline")
    Marks the main title of the article.

Article Section (itemprop="articleSection")
    Specifies the category/section of the article.

Author Details (itemscope itemtype="http://schema.org/Person", itemprop="author")
    Used for author metadata, ensuring the author’s name and profile link are structured.

Publication and Modification Dates (itemprop="datePublished" and itemprop="dateModified")
    Specifies the published and modified dates of the article.

Featured Image (itemprop="image")
    Enhances the featured image with structured data, including URL, width, and height.

Article Content (itemprop="articleBody")
    Indicates the main content body of the article.

Author Bio (itemscope itemtype="http://schema.org/Person", itemprop="author")
    Includes a structured section for the author’s bio if available.

Comments Section (itemscope itemtype="http://schema.org/Comment", itemprop="comment")
    Wraps the comments area with structured data tags.