Add telemetry_and_inference example and finalize previous DLL/ABI fixes

include/fces/optimizer.hpp

@@ -32,6 +32,15 @@ namespace fces {
  *   optimizer.step();
  *   optimizer.update_fitness(loss.item<float>());
  */
+struct FCESOptimizerOptions : public torch::optim::OptimizerCloneableOptions<FCESOptimizerOptions> {
+    explicit FCESOptimizerOptions(double lr = 0.01) : lr_(lr) {}
+
+    double get_lr() const override { return lr_; }
+    void set_lr(const double lr) override { lr_ = lr; }
+
+    double lr_;
+};
+
 class FCESOptimizer : public torch::optim::Optimizer {
 public:
     explicit FCESOptimizer(