Add Saga Reader (#1652)

* Add "Saga Reader" to awesome-mac

This PR adds saga-reader, an AI-driven think tank-style reader that automatically retrieves information from the internet based on user-specified topics and preferences. It uses cloud or local large models to summarize and provide guidance, and it includes an AI-driven interactive companion reading function, allowing you to discuss and exchange ideas with AI about the content you've read.

Thanks for taking your time!

https://github.com/sopaco/saga-reader
Saga Reader is an AI-driven think tank-style reader that automatically retrieves information from the internet based on user-specified topics and preferences. It uses cloud or local large models to summarize and provide guidance, and it includes an AI-driven interactive companion reading function, allowing you to discuss and exchange ideas with AI about the content you've read.

Saga Reader is completely free and open-source, meaning all data is securely stored on your own computer and is not controlled by third-party service providers. Additionally, you can manage your subscription keywords based on your interests and preferences without being disturbed by advertisements and commercialized content.

* Update README.md

Add saga reader, with free software and open source software label

Author: sopaco

README.md

@@ -274,6 +274,7 @@ Any comments, suggestions? [Let us know!](https://github.com/jaywcjlove/awesome-
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