Adding Creative Commons 3.0 License to project base and readme

Author: thatsjet

LICENSE.md

@@ -0,0 +1,3 @@
+The entire project content is under the **[Creative Commons v3.0](https://creativecommons.org/licenses/by-sa/3.0/)** license.
+
+[![LICENSE](https://i.creativecommons.org/l/by-sa/3.0/88x31.png)](http://creativecommons.org/licenses/by-sa/3.0/)

README.md

@@ -1,4 +1,5 @@
 # OWASP Application Security Verification Standard
+![LicenseBadge](https://img.shields.io/badge/license-C_C-blue.svg)
 
 ## Introduction
 
@@ -29,3 +30,7 @@ The latest published version is version 4.0.1 (dated 2 March 2019), which can be
 * [OWASP Application Security Verification Standard 4.0.1 (GitHub Tag)](https://github.com/OWASP/ASVS/tree/v4.0.1)
 
 The master branch of this repository will always be the "bleeding edge version" which might have in-progress changes or other edits open. The next release target will be version **4.1**.
+
+# License
+
+The entire project content is under the **[Creative Commons v3.0](https://creativecommons.org/licenses/by-sa/3.0/)** license.