feat: ✨ Add example for horizontal centering in Write-Color

* Introduced a new example demonstrating the use of `-HorizontalCenter` parameter.
* Ensured consistency in example formatting by adding a newline at the end of the file.

Author: PrzemyslawKlys

Examples/Write-Color-Examples.ps1

@@ -46,4 +46,7 @@ Write-Color -T "My text", " is ", "all colorful" -C Yellow, Red, Green -B Red, G
 
 # Example 5
 Write-Color -T "My text", " is ", "all colorful" -C Yellow, Red, Green -B Green, Green, Yellow
-Write-Color -T "My text", " is ", "all colorful" -C Yellow, Red, Green -B Red, Green, Green -StartSpaces 2
+Write-Color -T "My text", " is ", "all colorful" -C Yellow, Red, Green -B Red, Green, Green -StartSpaces 2
+
+# Example 6
+Write-Color -T "My text", " is ", "all colorful" -C Yellow, Red, Green -HorizontalCenter