feat: add Biorhythm domain (11th in SDK), regenerate from latest spec

codegen TAG_MAP now maps Biorhythm to BiorhythmDomain. factory.py regenerated
from prod spec, includes all biorhythm endpoints (compatibility, critical-days,
daily, forecast, phases, reading). Tests updated to cover the new domain.

Author: ph33nx

codegen.py

@@ -29,6 +29,7 @@
     "Crystals and Healing Stones": ("CrystalsDomain", "crystals"),
     "Angel Numbers": ("AngelNumbersDomain", "angel_numbers"),
     "Dreams": ("DreamsDomain", "dreams"),
+    "Biorhythm": ("BiorhythmDomain", "biorhythm"),
     "Location and Timezone": ("LocationDomain", "location"),
     "Usage": ("UsageDomain", "usage"),
 }