[2.17.0]
Update Shaarli to 0.15.0
Full Changelog
doc: add SECURITY.md
doc: Added colorscheme and youtube plugins, and shirley-template
refactor video plugin
Fix PHP message: TypeError: get_headers(): Argument #2 ($associative) must be of type bool, int given
doc: fix typos and inconsistencies
fix insufficient filename sanitization in bookmarks import form
fix reflected XSS via searchtags parameter*
keep private links number private