Add HTML sanitization library.
-rw-r--r-- 402 .gitignore
-rw-r--r-- 692 README.md
-rw-r--r-- 88 TODO.txt
drwxr-xr-x - config
drwxr-xr-x - lib
-rw-r--r-- 1622 mix.exs
-rw-r--r-- 4544 mix.lock
drwxr-xr-x - priv
drwxr-xr-x - test