fix: allow dot files with --package-suffixes (#1742)

* allow files that start with . to be added via --package-suffixes

* fix so not all hidden files are included

Author: saikonen

metaflow/package.py

@@ -88,9 +88,10 @@ def _walk(self, root, exclude_hidden=True, suffixes=None):
             # if path and (path[0] == '.' or './' in path):
             #    continue
             for fname in files:
-                if fname[0] == ".":
-                    continue
-                if any(fname.endswith(suffix) for suffix in suffixes):
+                if (fname[0] == "." and fname in suffixes) or (
+                    fname[0] != "."
+                    and any(fname.endswith(suffix) for suffix in suffixes)
+                ):
                     p = os.path.join(path, fname)
                     yield p, p[prefixlen:]