Edit category and tag creation to ensure no duplicates are created; add set of resources.
Edit category and tag creation to ensure no duplicates are created; add set of resources.

mixolidia/shescoding-dot-org,shescoding/shescoding-dot-org,probinson2015/shescoding-dot-org,justi/shescoding-dot-org,mixolidia/shescoding-dot-org,shescoding/shescoding-dot-org,kavitasa/shescoding-dot-org,mixolidia/shescoding-dot-org,shescoding/shescoding-dot-org,kavitasa/shescoding-dot-org,probinson2015/shescoding-dot-org,kavitasa/shescoding-dot-org,shescoding/shescoding-dot-org,justi/shescoding-dot-org,mixolidia/shescoding-dot-org,justi/shescoding-dot-org,justi/shescoding-dot-org,probinson2015/shescoding-dot-org,probinson2015/shescoding-dot-org,kavitasa/shescoding-dot-org