Properly link flecs library

engine/libs/flecs/examples/cpp/reflection/member_ranges/src/main.cpp

@@ -0,0 +1,24 @@
+#include <member_ranges.h>
+#include <iostream>
+
+struct CpuUtilization {
+    double value;
+};
+
+int main() {
+    flecs::world ecs;
+
+    ecs.component<CpuUtilization>()
+        .member<double>("value")
+            .range(0.0, 100.0)        // Specifics values that the member can assume
+            .warning_range(0.0, 60.0) // Values outside this range are considerd a warning
+            .error_range(0.0, 80.0);  // Values outside this range are considerd an error
+
+    ecs.entity("MachineA").set<CpuUtilization>({ 50.0 });
+    ecs.entity("MachineB").set<CpuUtilization>({ 75.0 });
+    ecs.entity("MachineC").set<CpuUtilization>({ 90.0 });
+
+    // Open https://www.flecs.dev/explorer?show=query&query=CpuUtilization to 
+    // see how ranges affect visualization.
+    ecs.app().enable_rest().run();
+}