Refine README examples for published docs (#57)

## Summary
- fix grammar in the README usage section (�xample -> �xamples)
- replace the template module name in Example 2 with MariusTestModule

## Why
This tightens rendered documentation quality and provides a concrete
follow-up change for validating site build/publish behavior end-to-end.

---------

Co-authored-by: Copilot App <223556219+Copilot@users.noreply.github.com>

Author: MariusStorhaug

README.md

@@ -25,7 +25,7 @@ Import-Module -Name {{ NAME }}
 
 ## Usage
 
-Here is a list of example that are typical use cases for the module.
+Here is a list of examples that are typical use cases for the module.
 
 ### Example 1: Greet an entity
 
@@ -41,7 +41,7 @@ Hello, World!
 Provide examples for typical commands that a user would like to do with the module.
 
 ```powershell
-Import-Module -Name PSModuleTemplate
+Import-Module -Name MariusTestModule
 ```
 
 ### Find more examples