Update README link for the list of JuMP tutorials (#179)

Author: odow

README.md

@@ -46,13 +46,12 @@ single-objective instance of your optimization problem.
 You may set additional optimizer attributes, the supported attributes depend on
 the choice of solution algorithm.
 
-Documentation is available in the JuMP documentation. There are sections on
-[setting a vector-valued objective](https://jump.dev/JuMP.jl/stable/manual/objective/#Set-a-vector-valued-objective)
+## Documentation
+
+Documentation is available in the JuMP documentation. There are sections in
+the manual on [setting a vector-valued objective](https://jump.dev/JuMP.jl/stable/manual/objective/#Set-a-vector-valued-objective)
 and [working with multiple solutions](https://jump.dev/JuMP.jl/stable/manual/solutions/#Multiple-solutions).
-For worked examples, see the [Simple multi-objective examples](https://jump.dev/JuMP.jl/stable/tutorials/linear/multi_objective_examples/)
-tutorial in the JuMP documentation. A larger example is the
-[Multi-objective knapsack](https://jump.dev/JuMP.jl/stable/tutorials/linear/multi_objective_knapsack/)
-tutorial, which also includes code for plotting the solutions.
+See also the [list of tutorials that use MOA](https://jump.dev/JuMP.jl/stable/tutorials/overview/#tutorial_MultiObjectiveAlgorithms).
 
 ## Algorithm