added instructions to setup gow and modules

backend/README.md

@@ -1,12 +1,22 @@
 ### goulette 
 
+## configuration
+
+make sure go is in your path, system and local.
+put into .bashrc:
+```
+export PATH=$PATH:/usr/local/go/bin:~/go
+```
+
 ## install
+# tools
+install github.com/mitranim/gow@latest
 
 # modules
 
-go get github.com/redis/go-redis/v9
+go mod downlaod 
 
 
-# build 
+# run with gow - watches the program
 
-got run main.go
+gow run api.go