skip folders/files in lib with downloaded content

tools/coding_standard/whitespace.py

@@ -31,7 +31,16 @@ include:
 exclude:
     - lib/colvars/Install.py
     - lib/gpu/geryon/file_to_cstr.sh
+    - lib/hdnnp
+    - lib/kim
     - lib/kokkos
+    - lib/machdyn
+    - lib/mdi
+    - lib/mscg
+    - lib/pace
+    - lib/plumed
+    - lib/quip
+    - lib/scafacos
     - src/Make.sh
 patterns:
     - "*.c"