fix reading and defaulting the IncludeSubdirectories config option

src/Common.cpp

@@ -35,6 +35,7 @@ Application::SettingsMap Application::mSettings = {
     { StrHTTPServerUseSSL, false },
     { StrHideUpdateMessages, false },
     { StrAuthKey, std::string("") },
+    { StrIncludeSubdirectories, false },
 };
 
 // global, yes, this is ugly, no, it cant be done another way

src/TConfig.cpp

@@ -160,6 +160,7 @@ void TConfig::ParseFromFile(std::string_view name) {
         TryReadValue(data, "Misc", StrSendErrors);
         TryReadValue(data, "Misc", StrHideUpdateMessages);
         TryReadValue(data, "Misc", StrSendErrorsMessageEnabled);
+        TryReadValue(data, "Misc", StrIncludeSubdirectories);
         // HTTP
         TryReadValue(data, "HTTP", StrSSLKeyPath);
         TryReadValue(data, "HTTP", StrSSLCertPath);