Set version in docs automatically

Author: matt-graham

docs/conf.py

@@ -13,6 +13,7 @@
 
 import os
 import sys
+from importlib.metadata import version as get_version
 
 sys.path.insert(0, os.path.abspath(".."))
 
@@ -23,10 +24,8 @@
 copyright = "2023, Matthew Price and Jason McEwen"
 author = "Matthew Price, Jason McEwen, Matthew Graham, Sofia Miñano, Devaraj Gopinathan"
 
-# The short X.Y version
-version = "1.1.1"
-# The full version, including alpha/beta/rc tags
-release = "1.1.1"
+release = get_version("s2fft")
+version = ".".join(release.split(".")[:2])
 
 
 # -- General configuration ---------------------------------------------------