[doc] detail publish process

README.md

@@ -71,9 +71,21 @@ wasm-pack build
 
 ```bash
 wasm-pack test --headless --firefox
+wasm-pack test --headless --chrome
+wasm-pack test --headless --safari
 ```
 
-### 🎁 Publish to NPM with `wasm-pack publish`
+### 🎁 Publish new release to NPM
+
+Before publish, build in release mode without default features :
+
+```bash
+wasm-pack build --release -- --no-default-features
+```
+
+You need npm token, if you don't have, get it with `npm login` command.
+
+Then publish ( help) :
 
 ```bash
 wasm-pack publish