update readme for vs code

Author: deemp

README.md

@@ -30,10 +30,12 @@ It is combined with [EO](https://github.com/objectionary/eo) editor. EO is based
 
 - Install [direnv](https://nix.dev/tutorials/declarative-and-reproducible-developer-environments#direnv-automatically-activating-the-environment-on-directory-change) - steps 1, 2
 
-- For [VS Code](https://code.visualstudio.com/), install extensions
+- For [VS Code](https://code.visualstudio.com/)
+  - Install extensions
   ```sh
   code --install-extension mkhl.direnv --install-extension haskell.haskell --install-extension nwolverson.ide-purescript
   ```
+  - Open workspace in `.vscode/try-phi.code-workspace`
 
 - In separate terminals:
   - backend dev
@@ -54,5 +56,7 @@ It is combined with [EO](https://github.com/objectionary/eo) editor. EO is based
     # or any other commands from package.json
     ```
 
+- If in VS Code, reload the window (`Ctrl`+`Shift`+`P` -> `Developer: Reload window`) and repeat previous commands to start the server and the client
+
 - For Haskell, your shell will have [haskell-language-server](https://github.com/haskell/haskell-language-server)
 - For Purescript - [purescript-language-server](https://github.com/nwolverson/purescript-language-server)