Convert rich-text example to winit

Author: nicoburns

examples/rich-text/Cargo.toml

@@ -7,8 +7,11 @@ license = "MIT OR Apache-2.0"
 publish = false
 
 [dependencies]
-cosmic-text = { path = "../../" }
+cosmic-text = { path = "../.." }
 env_logger = "0.10"
 fontdb = "0.13"
 log = "0.4"
-orbclient = "0.3.35"
+softbuffer = "0.4"
+tiny-skia = "0.11"
+unicode-segmentation = "1.7"
+winit = "0.29"