update: README.md

README.md

@@ -53,6 +53,10 @@ clone then:
 
 * `make install`
 
+Edit the created `./src/config.pug` file to :
+ - update the `client_id` you generated on the server / OIDC provider
+ - update the `sdn` / Server Domain Name to match yours
+
 ## Build
 
 A first build is mandatory for compiling the static assets.