chore: init frontend+backend skeleton

backend/include/csp/health_controller.h

@@ -0,0 +1,17 @@
+#pragma once
+
+#include <drogon/HttpController.h>
+
+namespace csp {
+
+class HealthController : public drogon::HttpController<HealthController> {
+ public:
+  METHOD_LIST_BEGIN
+  ADD_METHOD_TO(HealthController::health, "/api/health", drogon::Get);
+  METHOD_LIST_END
+
+  void health(const drogon::HttpRequestPtr& req,
+              std::function<void(const drogon::HttpResponsePtr&)>&& callback);
+};
+
+}  // namespace csp

backend/include/csp/version.h

@@ -0,0 +1,7 @@
+#pragma once
+
+namespace csp {
+
+constexpr const char* kVersion = "0.1.0";
+
+}  // namespace csp