add third_party modules to sdist

rusty1s · rusty1s · commit bea2f4a30f01 · 2022-08-22T14:39:46.000Z
diff --git a/MANIFEST.in b/MANIFEST.in
@@ -2,4 +2,5 @@ include README.md
 include LICENSE
 
 recursive-exclude test *
+recursive include third_party *
 recursive-include csrc *
