Format licences for GitHub detection (#7416)

Update formatting of LICENSE such that GitHub no
longer sees the CC-BY-SA licence as "Unknown".

LICENSE-CODE is also updated for consistently
between the two files.

Credits:
* https://github.com/santisoler/cc-licenses for
  example of how to apply

Author: markmandel

.gitignore

@@ -1,4 +1,5 @@
 .DS_Store
 *.swp
 node_modules/
-dist/
+dist/
+.idea