+ post("/users/follow", UserController, :follow)
+ post("/users/unfollow", UserController, :unfollow)
+ delete("/users", UserController, :delete)
+ post("/users", UserController, :create)
+ patch("/users/:nickname/toggle_activation", UserController, :toggle_activation)
+ patch("/users/activate", UserController, :activate)
+ patch("/users/deactivate", UserController, :deactivate)
+ patch("/users/approve", UserController, :approve)
+