fix rest api links

add async setup flow

doc/api.qdoc

@@ -8,7 +8,7 @@
         \li \l{https://github.com/guh/guh/wiki/REST-API}{REST}
     \endlist
     
-    The \l{https://github.com/guh/guh/wiki/REST-Api-documentation}{REST API} is accessable on the \l{guhserver::WebServer}{WebServer}. The JSON-RPC API can be accessed from the \l {guhserver::TcpServer}{TcpServer} and the \l {guhserver::WebSocketServer}{WebSocketServer} interface. The command line interface \b {\tt guh-cli} communicates with the \l {guhserver::TcpServer}{TcpServer} and \l {JSON-RPC API}. The \b {\tt guh-webinterface} uses the \l{guhserver::WebServer}{WebServer} with the \l{https://github.com/guh/guh/wiki/REST-Api-documentation}{REST-API} and catches notifications from the \l {guhserver::WebSocketServer}{WebSocketServer}.
+    The \l{https://github.com/guh/guh/wiki/REST-API}{REST API} is accessable on the \l{guhserver::WebServer}{WebServer}. The JSON-RPC API can be accessed from the \l {guhserver::TcpServer}{TcpServer} and the \l {guhserver::WebSocketServer}{WebSocketServer} interface. The command line interface \b {\tt guh-cli} communicates with the \l {guhserver::TcpServer}{TcpServer} and \l {JSON-RPC API}. The \b {\tt guh-webinterface} uses the \l{guhserver::WebServer}{WebServer} with the \l{https://github.com/guh/guh/wiki/REST-API}{REST-API} and catches notifications from the \l {guhserver::WebSocketServer}{WebSocketServer}.
 
     \image api-overview.png