Create getting_started.rst

TimGoTheCreator · web-flow · commit caae383b33d1 · 2026-02-03T12:08:48.000+03:00
diff --git a/docs/getting_started.rst b/docs/getting_started.rst
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+Getting Started
+=============
+
+NEXT is a new N-Body simulation engine
+
+NEXT uses the Barnes-Hut method to simulate
+thousands of particles at once, dropping
+the complexity from **O(N²)** to **O(N log N)**
