Adding JWT token auth

daggyd/libdaggyd/include/daggyd/Server.hpp

@@ -27,6 +27,7 @@ namespace daggy::daggyd {
     ~Server();
 
     Server &setSSLCertificates(const fs::path &cert, const fs::path &key);
+    Server &setJWTSecret(const std::string &secret);
 
     void init(size_t threads = 1);
 
@@ -69,5 +70,7 @@ namespace daggy::daggyd {
 
     std::mutex runnerGuard_;
     std::unordered_map<DAGRunID, std::shared_ptr<DAGRunner>> runners_;
+    
+    std::string jwtSecret_;
   };
 }  // namespace daggy::daggyd