docs: update version to 0.2.0 in README installation example

- Update installation instructions to use v0.2.0
- Ensure consistency between Cargo.toml and README

Author: Michael-A-Kuykendall

README.md

@@ -49,7 +49,7 @@
 
 ```toml
 [dependencies]
-crabcamera = "0.1"
+crabcamera = "0.2.0"
 tauri = { version = "2.0", features = ["protocol-asset"] }
 ```