update readme

readme.md

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 # PadScratch
-A text editor I'm developing for personal use as well as getting used to 2D development with Vulkan. Will be updated as development continues.
+A text editor I'm developing for personal use as well as getting used to 2D development with Vulkan. 
+
+It's currently in an early state, functionality isn't entirely implemented for what you would expect for a text editor and it currently only works on Linux and x86 due to the platform layer only supporting Linux/X11 and inline assembly being used respectively. Will eventually also implement the platform layer for Windows.
+
+## Details
+
+- UI auto layout implementation that can handle resizable panels, text wrapping, windows and more
+- Command palette for actions and eventually more such as config options
+- Implemented with minimal external dependencies, only using cglm/xxhash/Vulkan Memory Allocator as well as system libraries and Vulkan for the graphics API
+- Manual memory management primarily using arenas, no GC usage.
+- Syntax highlighting (for D and C-like languages) and auto indenting/auto closing pairs (strings, braces, etc)
+
+## Showcase
+
+![Video](https://git.sleepy.day/sleepy-day/editor/raw/branch/master/media/features.mp4)
+
+![Video](https://git.sleepy.day/sleepy-day/editor/raw/branch/master/media/indents.mp4)
 
 ![Screenshot](https://git.sleepy.day/sleepy-day/editor/raw/branch/master/media/editor-screenshot.jpg)