updated lw release notes formatting.

com.unity.render-pipelines.lightweight/CHANGELOG.md

 
 ## [Unreleased]
 ### Added
-- Added camera additional data component to control shadows, depth and color texture
-- pipeline now uses XRSEttings.eyeTextureResolutionScale as renderScale when in XR 
+- Added camera additional data component to control shadows, depth and color texture.
+- pipeline now uses XRSEttings.eyeTextureResolutionScale as renderScale when in XR.
-- Screenspace shadow resolve is not only done when rendering shadow cascades
-- Updated the UI for the Lighweight pipeline asset 
+- Screenspace shadow resolve is now only done when rendering shadow cascades.
+- Updated the UI for the Lighweight pipeline asset.
 
 ### Fixed
 - Fixed UnityPerDraw CB layout