I had previously added the fuctionality to luadir but I didn't update
the examples
also breaks out the file_browser function to be a bit more accessible
Change-Id: I14067256b9d76a757f732840cbee1cf84d775b1b
Adds example scripts for reading track metadata + dumping albumart
and rockbox settings
settings are now stored as a table of strings rather than a table of tables
as it saves ~15 kb of ram without adding much complexity
Change-Id: I611c312b2a60ab96e595e4710b17aedbd6c0689b