Add readthedocs documentation link in readme (#940)

Author: imsahil007

README.md

@@ -11,6 +11,7 @@ components such as openssl, libpng, libxml2, and expat to let you know
 if a given directory or binary file includes common libraries with 
 known vulnerabilities., known as CVEs ([Common Vulnerabilities and Exposures](https://en.wikipedia.org/wiki/Common_Vulnerabilities_and_Exposures#:~:text=Common%20Vulnerabilities%20and%20Exposures%20(CVE)%20is%20a%20dictionary%20of%20common,publicly%20known%20information%20security%20vulnerabilities.)).
 
+See our [documentation](https://cve-bin-tool.readthedocs.io/en/latest/) and [quickstart guide](https://cve-bin-tool.readthedocs.io/en/latest/README.html)  
 Usage:
 `cve-bin-tool  `