Update VSCode + Calva with more details

docs/develop-logseq.md

@@ -27,9 +27,17 @@ Then open the browser <http://localhost:3001>.
 ### REPL setup
 
 #### VSCode + Calva
+With ```yarn watch``` running, it should prints ``shadow-cljs - nREPL server started on port 8701``
+
+You may connect to the nREPL server with:
 
 ``cmd + shift + p`` -> ``Calva: Connect to a running nREPL server`` -> ``logseq`` -> ``shadow-cljs``->``:app`` ->``localhost:8701``
 
+(change ``:app`` to ``:electron`` if you want to connect to the main thread of the Electron app)
+
+Open a dev environment (Browser dev app on ``localhost:3000`` or Desktop dev app), then you can play REPL on the current editing file:
+
+``cmd + shift + p`` -> ``Calva: Load/Evaluate Current File and its Requires/Dependencies``
 
 ### Production Build