Summary: Tensor.Art adds new "Library" feature

Why It Matters: This change gives users a new way to save and manage their generated images and videos. It also changes how long generated tasks are saved.

What Changed:

• The username for "Create Image" changed from "@user_643900689835357009" to "@NXRA".
• The username for "Create Video" changed from "@PurinAI" to "@KavaART".
• A new article titled "Library: your permanent, private vault for any Task & Media" was added.
• The new article explains how the "Library" works, including saving tasks, storage, and new auto-expiration rules for generated tasks.
• The "Prompting: Hair Styles (Fem+Male)" article was updated with new view and comment counts.