Add MIME type for .spv files
These files contain outputs generated by the statistics software SPSS (https://fileinfo.com/extension/spv). They can be visualized by SPSS or also by IBM SPSS Smartreader (https://www.ibm.com/support/pages/what-ibm%C2%AE-spss%C2%AE-smartreader-application, https://community.ibm.com/community/user/datascience/viewdocument/extensions-tools-and-utilities-for?CommunityKey=886b6874-0fb1-402c-8243-c70ef8179a99&tab=librarydocuments).
Currently, they appear with MIME type application/zip
.
Thanks!