Add /running endpoint

GlosSITarget/CommonHttpEndpoints.h

@@ -8,6 +8,14 @@ namespace CHTE {
 inline void addEndpoints()
 {
 
+        HttpServer::AddEndpoint(
+        {"/running",
+         HttpServer::Method::GET,
+         [](const httplib::Request& req, httplib::Response& res) {
+             // TODO: extend this when "passive" running of global mods is implemented
+             res.set_content(nlohmann::json{{"state", nlohmann::json{{"running", true}}}}.dump(), "text/json");
+         }});
+
     HttpServer::AddEndpoint(
         {"/settings",
          HttpServer::Method::GET,