0.2 version bump! (#175)

I'd blindly copied that line without checking for the latest version. Could sit on this until 0.3 comes out if you like!

Author: dhaynespls

crates/wasm-encoder/README.md

@@ -20,7 +20,7 @@ Add this to your `Cargo.toml`:
 
 ```toml
 [dependencies]
-wasm-encoder = "0.1"
+wasm-encoder = "0.2"
 ```
 
 And then you can encode WebAssembly binaries via: