chore: Exclude .github and .vscode when publish

Author: jhg

Cargo.toml

@@ -9,6 +9,7 @@ categories = ["development-tools::ffi", "no-std"]
 edition = "2018"
 readme = "README.md"
 repository = "https://github.com/jhg/opaque-pointer-rs/"
+exclude = [".github/**", ".vscode/**"]
 
 [features]
 default = ["std"]