feat: add references to doc/tutorials/examples (#34)

Author: oliveriosousa

README.md

@@ -31,6 +31,7 @@
 - [Usage](#usage)
   - [Via the CLI](#via-the-cli)
   - [Programmatically](#programmatically)
+- [References](#references)
 - [Documentation](#documentation)
 - [Contributing](#contributing)
 - [Want to hack on IPFS?](#want-to-hack-on-ipfs)
@@ -129,6 +130,12 @@ await IPFS.create({
 
 _For more examples, please refer to the [Documentation](#documentation)_
 
+## References
+
+- Documentation:
+  - [IPFS CONFIG](https://github.com/ipfs/js-ipfs/blob/master/docs/CONFIG.md)
+  - [MISCELLANEOUS](https://github.com/ipfs/js-ipfs/blob/master/docs/core-api/MISCELLANEOUS.md)
+
 ## Documentation
 
 - [Config](https://docs.ipfs.io/)