chore: Add comments to public methods

- rename GetRepo to GetDirectoryForRegisteredRepo so it's actually doing what it says

build/Helpers.cs

@@ -6,8 +6,14 @@ namespace Build;
 
 public class Helpers
 {
+	/// <summary>
+	/// Returns a formatted version of the assembly that contains PowerShell cmdlets
+	/// </summary>
+	/// <param name="powershelModuleOutputLocation"></param>
+	/// <returns></returns>
 	public static string GetPowershellModuleVersion(string powershelModuleOutputLocation)
 	{
+		// When the project name changes, this dll will also need to be updated
 		var moduleVersionInfo = FileVersionInfo.GetVersionInfo(Path.Combine(powershelModuleOutputLocation, "PowershellModule.dll"));
 
 		// It's (almost) impossible to not have a product version tag here. There is a reason why the implementation