Fetch the raw README content from a plugin's repository URL.
This function attempts to retrieve README files (Markdown or reStructuredText) from common locations within a given repository URL.
The base URL of the plugin's Git repository.
A Promise resolving to the README content as a string, or null if no README is found or accessible.
Fetch the raw README content from a plugin's repository URL.
This function attempts to retrieve README files (Markdown or reStructuredText) from common locations within a given repository URL.