Merge "Adding top category, subcategory and book path detection for go/libraries" into mnc-mr-docs am: 5b005e1ded
am: e0b5cb8f29

* commit 'e0b5cb8f297c24a58382baa41d006783c61afd35':
  Adding top category, subcategory and book path detection for go/libraries

Change-Id: I2132c0e0e52a0659874e495ac852e037ada17036