https://dflib.org/docs/ monthly 0.8 https://dflib.org/charts/ monthly 0.8 https://dflib.org/ monthly 1 https://dflib.org/dflib/docs/1.x/ weekly 0.8 https://dflib.org/dflib/docs/2.x/ weekly 0.8 https://dflib.org/jjava/docs/1.x/ weekly 0.8