Update README.md to add description for SCANOSS (#56)

* Update README.md to add description for SCANOSS

Author: JustinWonjaePark

README.md

@@ -18,10 +18,12 @@ Detect the license for the source code.
 Use Source Code Scanner and process the scanner results.
 ```
 
-**FOSSLight Source Scanner** uses [ScanCode][sc], a source code scanner, to detect the copyright and license phrases contained in the file. Some files (ex- build script), binary files, directory and files in specific directories (ex-test) are excluded from the result. And removes words such as "-only" and "-old-style" from the license name to be printed. The output result is generated in Excel format.
+**FOSSLight Source Scanner** uses source code scanners, [ScanCode][sc] and [SCANOSS][scanoss]. [ScanCode][sc] detects copyright and license phrases contained in the file and [SCANOSS][scanoss] searches OSS Name, OSS Version, download location, copyright and license information from [OSSKB][osskb]. Some files (ex- build script), binary files, directory and files in specific directories (ex-test) are excluded from the result. And removes words such as "-only" and "-old-style" from the license name to be printed. The output result is generated in spreadsheet format.
 
 
 [sc]: https://github.com/nexB/scancode-toolkit
+[scanoss]: https://github.com/scanoss/scanoss.py
+[osskb]: https://osskb.org/
 
 
 ## 📖 User Guide