Add quasi_harmonic to API post processing docs

nhew1994 · web-flow · commit 740d760ace29 · 2025-12-28T11:58:12.000-05:00
diff --git a/docs/api/api_post_processing.rst b/docs/api/api_post_processing.rst
@@ -8,3 +8,4 @@ Post-processing
    dfttk.debye
    dfttk.phonon
    dfttk.thermal_electronic
+   dfttk.quasi_harmonic
