docs: fix instructions to start projects in the docker setup flow (twentyhq#995)

Author: indrajitbnikam

docs/docs/developer/local-setup.mdx

@@ -157,16 +157,14 @@ make server-prisma-reset
 
 ### 6. Start Twenty
 
-Run the project with the following commands:
+Run the project with the following commands from `root folder`:
 
-In `/front`:
 ```bash
-make front-start
+make server-start
 ```
 
-In `/server`:
 ```bash
-make server-start
+make front-start
 ```
 
 You should now have: