Update instructions for go 1.16+

README.md

@@ -70,6 +70,7 @@ csrf.key = "<32 bytes of base64 encoded data>"
 Now you can start the IDP:
 
   ```
+  make
   go run cmd/idp.go
   ```
 
@@ -81,7 +82,7 @@ internationalization (i18n) support.
 The translation workflow needs the `go18n` binary which can be installed via
 
 ```
-go get -u  github.com/nicksnyder/go-i18n/v2/goi18n
+go install github.com/nicksnyder/go-i18n/v2/goi18n
 ```
 
 To extract new messages from the code run