Add napoleon for documentation
Add napoleon for documentation

lilulu/openmc,walshjon/openmc,johnnyliu27/openmc,bhermanmit/openmc,walshjon/openmc,liangjg/openmc,wbinventor/openmc,johnnyliu27/openmc,walshjon/openmc,liangjg/openmc,shikhar413/openmc,samuelshaner/openmc,shikhar413/openmc,walshjon/openmc,amandalund/openmc,mjlong/openmc,johnnyliu27/openmc,mit-crpg/openmc,bhermanmit/openmc,mit-crpg/openmc,smharper/openmc,smharper/openmc,paulromano/openmc,wbinventor/openmc,mit-crpg/openmc,mjlong/openmc,kellyrowland/openmc,kellyrowland/openmc,amandalund/openmc,lilulu/openmc,paulromano/openmc,liangjg/openmc,lilulu/openmc,mit-crpg/openmc,shikhar413/openmc,paulromano/openmc,smharper/openmc,johnnyliu27/openmc,amandalund/openmc,shikhar413/openmc,samuelshaner/openmc,smharper/openmc,wbinventor/openmc,wbinventor/openmc,amandalund/openmc,samuelshaner/openmc,samuelshaner/openmc,paulromano/openmc,liangjg/openmc