为 $5、$25、$100 三个 GitHub Sponsors 档位撰写描述，各档的回报与认可逐级提升。中文版英文版为三个 GitHub Sponsors 支持层级（$5、$25、$100）撰写描述，各层级需提供逐级提升的价值与认可度，以回馈支持者。Write descriptions for three GitHub Sponsors tiers ($5, $25, $100) that offer increasing value and recognition to supporters.