commit 122848a8837c19017c375d58ec9e8802e7f0fe9d
Author: Lt. Byte <byte@ss-probably-fine.example>
Date:   Mon Aug 17 09:12:00 2026 +0200

    docs: add readme

diff --git a/README.md b/README.md
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+# Navigation computer of the SS Probably Fine
+
+Computes flight plans for the *SS Probably Fine*: route, distance,
+travel time, and the amout of fuel required.
+
+```console
+$ python3 nav.py mars
+```
+
+Requires Python 3.9 or newer; no further dependencies.