add documentation section, update TOC

README.md

@@ -18,11 +18,11 @@
 
 ---
 
-## Table of Contents
-
 - [Get started](#get-started)
   - [Examples](#examples)
+- [Documentation](#documentation)
 - [Development](#development)
+  - [Testing](#testing)
   - [Production build](#production-build)
   - [npm releases](#npm-releases)
 - [License](#license)
@@ -75,6 +75,10 @@ const ocean: Ocean = await Ocean.getInstance({
 * [Examples](/src/examples/)
 * [Tuna](https://github.com/oceanprotocol/tuna/examples/squid)
 
+## Documentation
+
+* [Docs: squid-js API Reference](https://docs.oceanprotocol.com/references/squid-js/)
+
 ## Development
 
 To start development you need to:
@@ -84,7 +88,7 @@ npm i
 npm start
 ```
 
-### Test
+### Testing
 
 To start unit tests you need to: