docs: add example to readme for listen, shout & storage

crates/cli/README.md

@@ -89,6 +89,14 @@ The server is configured by the `git-next-server.toml` file.
 
 #### listen
 
+The server should listen for webhook notifications from each forge.
+
+```toml
+[listen]
+http = { addr = "0.0.0.0", port = 8080 }
+url = "https://localhost:8080"
+```
+
 ##### http
 
 The server needs to be able to receive webhook notifications from your forge,
@@ -116,6 +124,21 @@ forge is running on.
 
 The server should be able to notify the user when manual intervention is required.
 
+```toml
+[shout.webhook]
+url = "https//localhost:9090"
+secret = "secret-password"
+
+[shout.email]
+from = "git-next@example.com"
+to = "developer@example.com"
+
+[shout.email.smtp]
+hostname = "smtp.example.com"
+username = "git-next@example.com"
+password = "MySecretEmailPassword42"
+```
+
 ##### webhook
 
 Will send a POST request for some events.
@@ -147,6 +170,11 @@ Will send emails using an SMTP relay.
 
 #### storage
 
+```toml
+[storage]
+path = "./data"
+```
+
 `git-next` will create a bare clone of each repo that you configure it to
 monitor. They will all be created in the directory specified here. This data
 does not need to be backed up, as any missing information will be cloned when