Prepping README for launch

Author: jonobr1

wiki/changelog/README.md

@@ -11,7 +11,10 @@ All notable changes to this project will be documented in this file. The format
 
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-## Nightly
+## June 27, 2025 v0.8.19
+
+<h3 class="visible">Jun 27, 2025</h3><version-link v="v0.8.19" />
+
 - Improved TypeScript types for `Two.Path.dashes`, `Two.Points.dashes`, `Two.Text.dashes`
 - Improved TypeScript types for the `Two.Element.renderer` property
 - Added `Two.Element.renderer.onBeforeRender` and `Two.Element.renderer.onAfterRender` for higher context manipulation