ADD: update build preqs an readme

Readme.md

@@ -4,10 +4,11 @@ Multi-purpose Vulkan render engine specialized for physics simulation and solar
 ## Introduction
 Work-In-Progress Vulkan render engine
 Current structure:
-- Flexible render graph system with multiple render passes
+- Flexible render graph system with multiple render passes, Hot reloading
 - Deferred rendering
 - PBR (IBL is WIP), cascaded shadows, normal mapping (MikkTSpace tangents optional)
 - GLTF loading and rendering, primitive creation and rendering.
+- Supports texture compression(BCn, non glTF standard), LRU reload
 
 Work-In-Progress
 - [ ] IBL
@@ -16,3 +17,6 @@ Work-In-Progress
 - [ ] SSR
 - [ ] SSAO, bloom
 - [ ] Planet Rendering
+
+## Build prequsites
+- ktx software with libraries