updated requirements.txt

requirements.txt

@@ -0,0 +1,12 @@
+fpdf2==2.8.3  # package provides the `fpdf` module (fpdf2)
+psutil==7.0.0
+
+# Notes:
+# - System tools (not Python packages):
+#   - `git` (found: git version 2.47.3)
+#   - `gnuplot` (found: gnuplot 6.0 patchlevel 2)
+# - If you're using a virtual environment, install with:
+#
+#   python3 -m venv .venv
+#   source .venv/bin/activate
+#   pip install -r requirements.txt