update .gitignore to ignore sif images in containers/singularity, which will be shipped separately

cb2f7cba · Mulas, Giacomo · d01225cd · cb2f7cba
Commit cb2f7cba authored 10 months ago by Mulas, Giacomo
--- a/.gitignore
+++ b/.gitignore
@@ -4,6 +4,7 @@ build/sphere/*
 build/testing/*
 build/trapping/*
 build/libnptm/*
+containers/singularity/*.sif
 doc/build/*
 src/*/objects/*
 src/*/dynobjects/*