add some Cargo.toml metadata fields

Author: jakobhellermann

Cargo.toml

@@ -2,6 +2,12 @@
 name = "wasm-server-runner"
 version = "0.1.0"
 edition = "2021"
+readme = "README.md"
+repository = "https://github.com/jakobhellermann/wasm-server-runner/tree/main"
+license = "MIT"
+keywords = ["web", "wasm", "devtools"]
+categories = ["command-line-utilities", "development-tools", "development-tools::cargo-plugins", "wasm", "web-programming"]
+description = "cargo run for wasm programs"
 
 [dependencies]
 anyhow = "1.0"