feat(readme): copy from crate

src/main.rs

@@ -1,9 +1,11 @@
+extern crate failure;
 #[macro_use]
 extern crate quicli;
 extern crate wasm_pack;
 
 mod build;
 mod bindgen;
+mod readme;
 
 use quicli::prelude::*;
 
@@ -39,6 +41,7 @@ main!(|args: Cli, log_level: verbosity| match args.cmd {
         build::rustup_add_wasm_target();
         build::cargo_build_wasm(&crate_path);
         wasm_pack::write_package_json(&crate_path)?;
+        readme::copy_from_crate(&crate_path)?;
         bindgen::cargo_install_wasm_bindgen();
         let name = wasm_pack::get_crate_name(&crate_path)?;
         bindgen::wasm_bindgen_build(&crate_path, &name);

src/readme.rs

@@ -0,0 +1,10 @@
+use std::fs;
+use std::fs::File;
+use failure::Error;
+
+pub fn copy_from_crate(path: &str) -> Result<(), Error> {
+    let crate_readme_path = format!("{}/README.md", path);
+    let new_readme_path = format!("{}/pkg/README.md", path);
+    fs::copy(&crate_readme_path, &new_readme_path)?;
+    Ok(())
+}