as per #144. There is an initial flicker. To look at again when do custom report (#204)

Author: tonyhallett

README.md

@@ -128,6 +128,8 @@ ThresholdForCyclomaticComplexity   When [cyclomatic complexity](https://en.wikip
 ThresholdForNPathComplexity        When [npath complexity](https://en.wikipedia.org/wiki/Cyclomatic_complexity) exceeds this value for a method then the method will be present in the risk hotspots tab. OpenCover only.
 ThresholdForCrapScore              When [crap score](https://testing.googleblog.com/2011/02/this-code-is-crap.html) exceeds this value for a method then the method will be present in the risk hotspots tab. OpenCover only. 
 
+StickyCoverageTable                Set to true for coverage table to have a sticky thead.
+
 RunSettingsOnly					   Specify false for global and project options to be used for coverlet data collector configuration elements when not specified in runsettings
 CoverletCollectorDirectoryPath	   Specify path to directory containing coverlet collector files if you need functionality that the FCC version does not provide.