v0.3.7: sync __version__ with package version

Fixes a stale __version__ string left at "0.3.5" in __init__.py while
the package version had moved to 0.3.6 in pyproject.toml. External
review caught the mismatch — `flashalpha.__version__` now matches the
distribution version.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

Author: tdobrowolski1

pyproject.toml

@@ -4,7 +4,7 @@ build-backend = "hatchling.build"
 
 [project]
 name = "flashalpha"
-version = "0.3.6"
+version = "0.3.7"
 description = "Python SDK for the FlashAlpha options analytics API — live options screener, gamma exposure (GEX), VRP, delta, vanna, charm, greeks, 0DTE analytics, volatility surfaces, and more."
 readme = "README.md"
 license = "MIT"

src/flashalpha/__init__.py

@@ -27,7 +27,7 @@
     ZeroDteVolContext,
 )
 
-__version__ = "0.3.5"
+__version__ = "0.3.7"
 __all__ = [
     "FlashAlpha",
     "FlashAlphaError",