Function process_wikilinks 

pub fn process_wikilinks(content: &str) -> String

Process wikilinks and Obsidian-style links in markdown content.

Converts:

• [[page]] (Obsidian link) -> [page](page.html)
• [[name|url]] (Wiki link) -> [name](url)

Being code-block aware to avoid processing inside fenced code blocks.

Arguments

• content - The markdown content to process

Returns

The processed markdown with wiki/Obsidian links converted to HTML