Adding discovery of capacities after the fact.

libdaggy/include/daggy/executors/task/DaggyRunnerTaskExecutor.hpp

@@ -15,6 +15,11 @@ namespace daggy::executors::task {
     {
       ssize_t cores;
       ssize_t memoryMB;
+      void operator==(const Capacity &other)
+      {
+        cores    = other.cores;
+        memoryMB = other.memoryMB;
+      }
     };
 
     std::string capacityToJSON(const Capacity &cap);