Use web storage instead of RAM

[santakadev]

With the current session storage (RAM) when the user reloads the page the session is lost. This is also a problem for development, because session is lost for each code change due to webpack dev server hot reload.

Here are listed web storage available options.

[santakadev]

Recently I've discovered these modules for storage in the web
https://github.com/random-access-storage

[santakadev]

Example of indexed DB in hypercore
holepunchto/hypercore#160 (comment)