Add vim gitignore
Add vim gitignore

HypothesisWorks/HypothesisWorks.github.io,HypothesisWorks/HypothesisWorks.github.io,HypothesisWorks/HypothesisWorks.github.io,HypothesisWorks/HypothesisWorks.github.io,HypothesisWorks/HypothesisWorks.github.io