feat(napi): Provide a new createIndex API in the napi SDK. (#857)

nodejs/README.md

@@ -1,3 +1,24 @@
 # (New) LanceDB NodeJS SDK
 
 It will replace the NodeJS SDK when it is ready.
+
+
+## Development
+
+```sh
+npm run build
+npm t
+```
+
+Generating docs
+
+```
+npm run docs
+
+cd ../docs
+# Asssume the virtual environment was created
+# python3 -m venv venv
+# pip install -r requirements.txt
+. ./venv/bin/activate
+mkdocs build
+```