Tags users
Resource associating a User and a Tag.

GET /v2/tags_users
Return all the tags users

GET /v2/users/:user_id/tags_users
Return all the tags users of the given User

GET /v2/cursus/:cursus_id/tags_users
Return all the tags users of the given Cursus

GET /v2/campus/:campus_id/tags_users
Return all the tags users of the given Campus

GET /v2/tags/:tag_id/tags_users
Return all the tags users of the given Tag

GET /v2/tags_users/:id
Get a tags user

POST /v2/tags_users
Create a tags user

PATCH /v2/tags_users/:id
Update a tags user

PUT /v2/tags_users/:id
Update a tags user

DELETE /v2/tags_users/:id
Destroy a tags user