Add example config to project information (#1225)

Co-authored-by: Paulus Schoutsen <paulus@home-assistant.io>

components/esphome.rst

@@ -330,7 +330,17 @@ Project information
 
 This allows creators to add the project name and version to the compiled code. It is currently only
 exposed via the logger, mDNS and the device_info response via the native API. The format of the name
-should be ``namespace.project_name``.
+should be ``author_name.project_name``.
+
+.. code-block:: yaml
+
+    # Example configuration
+    esphome:
+      ...
+      project:
+        name: "jesse.leds_party"
+        version: "1.0.0"
+
 
 See Also
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