Release v1.0.0.

README.md

diff --git a/README.md b/README.md
index 943a82f..b403ae8 100644
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+++ b/README.md
@@ -10,7 +10,7 @@
 
 **Build status:**
 
-TODO
+Windows: [![Build status](https://ci.appveyor.com/api/projects/status/860i07bxv55ydgvg?svg=true)](https://ci.appveyor.com/project/adam-sawicki-amd/d3d12memoryallocator)
 
 # Problem