random_string docs to say it's cryptographically secure (#6691)
Modify random_string docs to state that randomness is cryptographically secure
(cherry picked from commit 89ad18d1a7)
Co-authored-by: Matthew Davis <7035647+mdavis-xyz@users.noreply.github.com>
* Move licenses to LICENSES/, run add-license.py, add LICENSES/MIT.txt.
* Replace 'Copyright:' with 'Copyright'
sed -i 's|Copyright:\(.*\)|Copyright\1|' $(rg -l 'Copyright:')
Co-authored-by: Maxwell G <gotmax@e.email>
