Clarify name in schema

"real name" can be understood to mean many different things (legal name, name used in real life), none of which matter for us.
We just want some name to display on the website, whatever the person wants to have there.

Author: Noratrieb

docs/toml-schema.md

@@ -6,7 +6,7 @@ Every member of a Rust team is represented by a file in the `people` directory.
 The file structure is this:
 
 ```toml
-name = "John Doe"  # Real name of the person (required)
+name = "John Doe"  # Display name of the person for the website (required)
 github = "johndoe"  # GitHub username of the person (required)
 github-id = 123456  # GitHub ID of the person (required)
 zulip-id = 123456   # Zulip ID of the person (optional)