Ledger status monitor

[astrozombie]

FIndy version of BC gov ledger status monitor.
Teemu/Nixu has created instructions & have running node monitor.
Need to fix how unresponsive nodes are handled

[teemuk]

I will put the monitoring node setup instructions to the place where we will start collecting the developer documentation.

Need to fix how unresponsive nodes are handled

Should we consider forking the code and making the fix?

[teemuk]

Concluded with Samuli that developer documentation will be made available through: https://dev.findy.fi/

[teemuk]

Sent pull request to @HarriHonko
#7