IisMimeTypeMapping README documentation incomplete (#637)

Author: Borgquite

CHANGELOG.md

@@ -31,8 +31,11 @@ For older change log history see the [historic changelog](HISTORIC_CHANGELOG.md)
 -  WebSite
    - Added code to ensure certificate has private key. ([issue #578](https://github.com/dsccommunity/WebAdministrationDsc/issues/578))
 - Removed duplicated resource descriptions in README.md
+- Added documentation for ConfigurationPath attribute of IisMimeTypeMapping in README.md
 - WebVirtualDirectory
   - Fixed error when using UNC PhysicalPath. ([issue #94](https://github.com/dsccommunity/WebAdministrationDsc/issues/94))
+- Update build process to pin GitVersion to 5.* to resolve errors
+  (https://github.com/gaelcolas/Sampler/issues/477).
 
 ## [4.1.0] - 2023-01-03
 

README.md

@@ -140,6 +140,7 @@ This resource manages the IIS configuration section locking (overrideMode) to co
 
 ### IisMimeTypeMapping
 
+* **ConfigurationPath**: This can be either an IIS configuration path in the format computername/webroot/apphost, or the IIS module path in this format IIS:\sites\Default Web Site.
 * **Extension**: The file extension to map such as **.html** or **.xml**
 * **MimeType**: The MIME type to map that extension to such as **text/html**
 * **Ensure**: Ensures that the MIME type mapping is **Present** or **Absent**.