docs(.env example): added postrgres example

.gitignore

@@ -10,6 +10,7 @@ LstWrapper/obj
 scripts/tmp
 backend/docs
 backend/frontend
+testFolder
 
 # ---> Go
 # If you prefer the allow list template instead of the deny list, see community template:
@@ -191,4 +192,5 @@ backend/go.sum
 BUILD_NUMBER
 scripts/resetDanger.js
 LstWrapper/Program_vite_as_Static.txt
+LstWrapper/Program_proxy_backend.txt
 scripts/stopPool.go