Start work on C++ client, and implement streaming of image generation.

Clients/Cpp/src/StableDiffusion.proto

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+../../../Common/StableDiffusion.proto

Clients/Cpp/src/sample.cpp

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+#include <StableDiffusion.pb.h>
+#include <iostream>
+
+using namespace gay::pizza::stable::diffusion;
+
+int main() {
+    ModelInfo info;
+    info.set_name("anything-4.5");
+    std::cout << info.DebugString() << std::endl;
+    return 0;
+}