Set up the versioning system

.git_archival.txt

@@ -0,0 +1,4 @@
+node: $Format:%H$
+node-date: $Format:%cI$
+describe-name: $Format:%(describe:tags=true,match=*[0-9]*)$
+ref-names: $Format:%D$

.gitattributes

@@ -0,0 +1,22 @@
+# For explanation of this file and uses see
+# https://git-scm.com/docs/gitattributes
+# https://developer.lsst.io/git/git-lfs.html#using-git-lfs-enabled-repositories
+#
+# Used by https://github.com/lsst/afwdata.git
+# *.boost filter=lfs diff=lfs merge=lfs -text
+# *.dat filter=lfs diff=lfs merge=lfs -text
+# *.fits filter=lfs diff=lfs merge=lfs -text
+# *.gz filter=lfs diff=lfs merge=lfs -text
+#
+# apache parquet files
+# *.parq	filter=lfs diff=lfs merge=lfs -text
+#
+# sqlite files
+# *.sqlite3	filter=lfs diff=lfs merge=lfs -text
+#
+# gzip files
+# *.gz	filter=lfs diff=lfs merge=lfs -text
+#
+# png image files
+# *.png	filter=lfs diff=lfs merge=lfs -text
+.git_archival.txt  export-subst

src/sorcha_addons/__init__.py

@@ -5,3 +5,12 @@
     "activity",
     "lightcurve",
 ]
+
+# Version information (autogenerated by setuptools-scm)
+try:
+    from ._version import version as __version__
+    from ._version import version_tuple
+except ImportError:
+    __version__ = "unknown version"
+    version_tuple = (0, 0, "unknown version")
+