Add AMPL and Gurobi info for workflow stuff

.nextmv/workflow-configuration.yml

@@ -4,12 +4,22 @@ apps:
     app_id: cost-flow-ortools
     marketplace_app_id: cost.flow.ortools
     description: Solve a cost-flow problem using Google OR-Tools in Python.
+  - name: knapsack-ampl
+    type: python
+    app_id: knapsack-ampl
+    marketplace_app_id: knapsack.ampl
+    description: Solve a knapsack problem using AMPL in Python.
   - name: knapsack-gosdk
     type: go
     sdk_version: latest
     app_id: knapsack-gosdk
     marketplace_app_id: knapsack.gosdk
     description: Solve a knapsack problem using the Nextmv Go SDK.
+  - name: knapsack-gurobi
+    type: python
+    app_id: knapsack-gurobi
+    marketplace_app_id: knapsack.gurobi
+    description: Solve a knapsack problem using Gurobi in Python.
   - name: knapsack-java-ortools
     type: java
     app_id: knapsack-jortools