Update index.rst

Evolutionary-Intelligence · web-flow · commit 016187c46c0e · 2025-03-14T22:32:15.000+08:00
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-Documentations of PyPop7 for Black-Box Optimization (BBO)
-=========================================================
+PyPop7's Documentations for Black-Box Optimization (BBO)
+========================================================
 
 **[News!]** Recently PyPop7 has been used and cited in one **Nature** paper:
 `[Veenstra et al., Nature, 2025]
