added readme for pyglet_rs

libs/pyglet_rs/README.md

@@ -0,0 +1,24 @@
+# pyglet_rs
+
+This is a folder about pyglet_rs.
+
+## What is pyglet_rs?
+
+pyglet_rs is a python library that patches pyglet to use rust to make it faster!
+
+## requirements
+- pyo3 `0.18.1`
+- no more
+
+## status
+- still writing
+
+## usage
+
+```python
+import pyglet_rs
+pyglet_rs.patch_sprite()
+
+import pyglet
+...
+```